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56734790 = 25723131269
BaseRepresentation
bin1101100001101…
…1010001000110
310221202102111112
43120123101012
5104011003130
65344005022
71256144360
oct330332106
9127672445
1056734790
112a030762
1217000772
13b9a59a8
14776bd30
154eaa495
hex361b446

56734790 has 64 divisors (see below), whose sum is σ = 123171840. Its totient is φ = 18395520.

The previous prime is 56734789. The next prime is 56734793. The reversal of 56734790 is 9743765.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56734793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210776 + ... + 211044.

It is an arithmetic number, because the mean of its divisors is an integer number (1924560).

Almost surely, 256734790 is an apocalyptic number.

56734790 is an abundant number, since it is smaller than the sum of its proper divisors (66437050).

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

56734790 is a wasteful number, since it uses less digits than its factorization.

56734790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 56734790 is about 7532.2499958512. The cubic root of 56734790 is about 384.2523072393.

Subtracting from 56734790 its reverse (9743765), we obtain a square (46991025 = 68552).

The spelling of 56734790 in words is "fifty-six million, seven hundred thirty-four thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 131 161 230 262 269 322 538 655 805 917 1310 1345 1610 1834 1883 2690 3013 3766 4585 6026 6187 9170 9415 12374 15065 18830 21091 30130 30935 35239 42182 43309 61870 70478 86618 105455 176195 210910 216545 246673 352390 433090 493346 810497 1233365 1620994 2466730 4052485 5673479 8104970 11346958 28367395 56734790