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56786238 = 2337391423
BaseRepresentation
bin1101100010011…
…1110100111110
310221212001002000
43120213310332
5104014124423
65345043130
71256450355
oct330476476
9127761060
1056786238
112a066383
12170264a6
13b9c3232
14778299c
154eba843
hex3627d3e

56786238 has 32 divisors (see below), whose sum is σ = 126451200. Its totient is φ = 18889848.

The previous prime is 56786237. The next prime is 56786251. The reversal of 56786238 is 83268765.

56786238 is a `hidden beast` number, since 567 + 86 + 2 + 3 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56786193 and 56786202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56786237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39195 + ... + 40617.

It is an arithmetic number, because the mean of its divisors is an integer number (3951600).

Almost surely, 256786238 is an apocalyptic number.

56786238 is an abundant number, since it is smaller than the sum of its proper divisors (69664962).

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

56786238 is a wasteful number, since it uses less digits than its factorization.

56786238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2167 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 56786238 is about 7535.6644033556. The cubic root of 56786238 is about 384.3684208273.

The spelling of 56786238 in words is "fifty-six million, seven hundred eighty-six thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 739 1423 1478 2217 2846 4269 4434 6651 8538 12807 13302 19953 25614 38421 39906 76842 1051597 2103194 3154791 6309582 9464373 18928746 28393119 56786238