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45462240 = 25325131241
BaseRepresentation
bin1010110101101…
…1001011100000
310011112201110200
42231123023200
543114242430
64302225200
71061264655
oct255331340
9104481420
1045462240
11237314aa
1213285200
139559b45
146075c2c
153ed0460
hex2b5b2e0

45462240 has 144 divisors (see below), whose sum is σ = 156972816. Its totient is φ = 11980800.

The previous prime is 45462239. The next prime is 45462253. The reversal of 45462240 is 4226454.

45462240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188520 + ... + 188760.

It is an arithmetic number, because the mean of its divisors is an integer number (1090089).

Almost surely, 245462240 is an apocalyptic number.

45462240 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 45462240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78486408).

45462240 is an abundant number, since it is smaller than the sum of its proper divisors (111510576).

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

45462240 is a wasteful number, since it uses less digits than its factorization.

45462240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 45462240 is about 6742.5692432485. The cubic root of 45462240 is about 356.9030643296.

Adding to 45462240 its reverse (4226454), we get a palindrome (49688694).

It can be divided in two parts, 4546 and 2240, that added together give a triangular number (6786 = T116).

The spelling of 45462240 in words is "forty-five million, four hundred sixty-two thousand, two hundred 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 96 120 131 144 160 180 240 241 262 288 360 393 480 482 524 655 720 723 786 964 1048 1179 1205 1310 1440 1446 1572 1928 1965 2096 2169 2358 2410 2620 2892 3144 3615 3856 3930 4192 4338 4716 4820 5240 5784 5895 6288 7230 7712 7860 8676 9432 9640 10480 10845 11568 11790 12576 14460 15720 17352 18864 19280 20960 21690 23136 23580 28920 31440 31571 34704 37728 38560 43380 47160 57840 62880 63142 69408 86760 94320 94713 115680 126284 157855 173520 188640 189426 252568 284139 315710 347040 378852 473565 505136 568278 631420 757704 947130 1010272 1136556 1262840 1420695 1515408 1894260 2273112 2525680 2841390 3030816 3788520 4546224 5051360 5682780 7577040 9092448 11365560 15154080 22731120 45462240