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490793760 = 25325675087
BaseRepresentation
bin11101010000001…
…110101100100000
31021012111220110200
4131100032230200
52001120400020
6120411225200
715106451412
oct3520165440
91235456420
10490793760
11232049686
12118448200
137a8b0912
144927a9b2
152d14a590
hex1d40eb20

490793760 has 144 divisors (see below), whose sum is σ = 1700165376. Its totient is φ = 128899584.

The previous prime is 490793759. The next prime is 490793777. The reversal of 490793760 is 67397094.

490793760 is a `hidden beast` number, since 490 + 7 + 93 + 76 + 0 = 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 (45).

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, 93937 + ... + 99023.

It is an arithmetic number, because the mean of its divisors is an integer number (11806704).

Almost surely, 2490793760 is an apocalyptic number.

490793760 is a gapful number since it is divisible by the number (40) 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 490793760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850082688).

490793760 is an abundant number, since it is smaller than the sum of its proper divisors (1209371616).

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

490793760 is a wasteful number, since it uses less digits than its factorization.

490793760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175 (or 5164 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 490793760 is about 22153.8655769146. The cubic root of 490793760 is about 788.7989868971.

The spelling of 490793760 in words is "four hundred ninety million, seven hundred ninety-three thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 67 72 80 90 96 120 134 144 160 180 201 240 268 288 335 360 402 480 536 603 670 720 804 1005 1072 1206 1340 1440 1608 2010 2144 2412 2680 3015 3216 4020 4824 5087 5360 6030 6432 8040 9648 10174 10720 12060 15261 16080 19296 20348 24120 25435 30522 32160 40696 45783 48240 50870 61044 76305 81392 91566 96480 101740 122088 152610 162784 183132 203480 228915 244176 305220 340829 366264 406960 457830 488352 610440 681658 732528 813920 915660 1022487 1220880 1363316 1465056 1704145 1831320 2044974 2441760 2726632 3067461 3408290 3662640 4089948 5112435 5453264 6134922 6816580 7325280 8179896 10224870 10906528 12269844 13633160 15337305 16359792 20449740 24539688 27266320 30674610 32719584 40899480 49079376 54532640 61349220 81798960 98158752 122698440 163597920 245396880 490793760