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56405214 = 2339471103
BaseRepresentation
bin1101011100101…
…0110011011110
310221010200102000
43113022303132
5103414431324
65332543130
71253302455
oct327126336
9127120360
1056405214
1129926088
1216a81aa6
13b8bb988
1476c3b9c
154e429c9
hex35cacde

56405214 has 32 divisors (see below), whose sum is σ = 125591040. Its totient is φ = 18764856.

The previous prime is 56405191. The next prime is 56405231. The reversal of 56405214 is 41250465.

56405214 is a `hidden beast` number, since 5 + 640 + 5 + 2 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50587 + ... + 51689.

It is an arithmetic number, because the mean of its divisors is an integer number (3924720).

Almost surely, 256405214 is an apocalyptic number.

56405214 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

56405214 is an abundant number, since it is smaller than the sum of its proper divisors (69185826).

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

56405214 is a wasteful number, since it uses less digits than its factorization.

56405214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 56405214 is about 7510.3404716431. The cubic root of 56405214 is about 383.5068131402.

Adding to 56405214 its reverse (41250465), we get a palindrome (97655679).

The spelling of 56405214 in words is "fifty-six million, four hundred five thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 947 1103 1894 2206 2841 3309 5682 6618 8523 9927 17046 19854 25569 29781 51138 59562 1044541 2089082 3133623 6267246 9400869 18801738 28202607 56405214