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56394730 = 257805639
BaseRepresentation
bin1101011100100…
…0001111101010
310221010011000201
43113020033222
5103414112410
65332422414
71253230060
oct327101752
9127104021
1056394730
1129919217
1216a77a0a
13b8b6c82
1476c0030
154e3e83a
hex35c83ea

56394730 has 16 divisors (see below), whose sum is σ = 116012160. Its totient is φ = 19335312.

The previous prime is 56394719. The next prime is 56394739. The reversal of 56394730 is 3749365.

It is a self number, because there is not a number n which added to its sum of digits gives 56394730.

It is not an unprimeable number, because it can be changed into a prime (56394739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402750 + ... + 402889.

It is an arithmetic number, because the mean of its divisors is an integer number (7250760).

Almost surely, 256394730 is an apocalyptic number.

56394730 is an abundant number, since it is smaller than the sum of its proper divisors (59617430).

56394730 is a wasteful number, since it uses less digits than its factorization.

56394730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805653.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 56394730 is about 7509.6424681872. The cubic root of 56394730 is about 383.4830509483.

The spelling of 56394730 in words is "fifty-six million, three hundred ninety-four thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 805639 1611278 4028195 5639473 8056390 11278946 28197365 56394730