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56860239 = 318953413
BaseRepresentation
bin1101100011100…
…1111001001111
310221222210120210
43120321321033
5104024011424
65350413503
71260206202
oct330717117
9127883523
1056860239
112a106a37
1217061293
13ba1ab17
1477a1939
154ed2729
hex3639e4f

56860239 has 4 divisors (see below), whose sum is σ = 75813656. Its totient is φ = 37906824.

The previous prime is 56860187. The next prime is 56860253. The reversal of 56860239 is 93206865.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56860239 - 29 = 56859727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56860197 and 56860206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56860259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9476704 + ... + 9476709.

It is an arithmetic number, because the mean of its divisors is an integer number (18953414).

Almost surely, 256860239 is an apocalyptic number.

56860239 is a deficient number, since it is larger than the sum of its proper divisors (18953417).

56860239 is a wasteful number, since it uses less digits than its factorization.

56860239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18953416.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 56860239 is about 7540.5728562225. The cubic root of 56860239 is about 384.5353116210.

The spelling of 56860239 in words is "fifty-six million, eight hundred sixty thousand, two hundred thirty-nine".

Divisors: 1 3 18953413 56860239