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2940755040 = 253254674373
BaseRepresentation
bin1010111101001000…
…0101110001100000
321120221112211112100
42233102011301200
522010313130130
61203450330400
7132606001566
oct25722056140
97527484470
102940755040
111279a85873
126a0a29a00
1337b340152
141dc7c3a36
1512328ec60
hexaf485c60

2940755040 has 144 divisors (see below), whose sum is σ = 10059115248. Its totient is φ = 782343168.

The previous prime is 2940755017. The next prime is 2940755107. The reversal of 2940755040 is 405570492.

2940755040 is a `hidden beast` number, since 29 + 40 + 7 + 550 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2940754986 and 2940755004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670294 + ... + 674666.

It is an arithmetic number, because the mean of its divisors is an integer number (69854967).

Almost surely, 22940755040 is an apocalyptic number.

2940755040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2940755040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5029557624).

2940755040 is an abundant number, since it is smaller than the sum of its proper divisors (7118360208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2940755040 is a wasteful number, since it uses less digits than its factorization.

2940755040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2940755040 is about 54228.7289174290. The cubic root of 2940755040 is about 1432.6923766016.

The spelling of 2940755040 in words is "two billion, nine hundred forty million, seven hundred fifty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 467 480 720 934 1401 1440 1868 2335 2802 3736 4203 4373 4670 5604 7005 7472 8406 8746 9340 11208 13119 14010 14944 16812 17492 18680 21015 21865 22416 26238 28020 33624 34984 37360 39357 42030 43730 44832 52476 56040 65595 67248 69968 74720 78714 84060 87460 104952 112080 131190 134496 139936 157428 168120 174920 196785 209904 224160 262380 314856 336240 349840 393570 419808 524760 629712 672480 699680 787140 1049520 1259424 1574280 2042191 2099040 3148560 4084382 6126573 6297120 8168764 10210955 12253146 16337528 18379719 20421910 24506292 30632865 32675056 36759438 40843820 49012584 61265730 65350112 73518876 81687640 91898595 98025168 122531460 147037752 163375280 183797190 196050336 245062920 294075504 326750560 367594380 490125840 588151008 735188760 980251680 1470377520 2940755040