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56236047 = 377137717
BaseRepresentation
bin1101011010000…
…1100000001111
310220211002100120
43112201200033
5103344023142
65325200023
71251666330
oct326414017
9126732316
1056236047
112981aa7a
1216a00013
13b85c98a
14767c287
154e0c7ec
hex35a180f

56236047 has 16 divisors (see below), whose sum is σ = 86902272. Its totient is φ = 31681440.

The previous prime is 56236039. The next prime is 56236057. The reversal of 56236047 is 74063265.

It is not a de Polignac number, because 56236047 - 23 = 56236039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56235999 and 56236017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56236057) 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, 17368 + ... + 20349.

It is an arithmetic number, because the mean of its divisors is an integer number (5431392).

Almost surely, 256236047 is an apocalyptic number.

56236047 is a deficient number, since it is larger than the sum of its proper divisors (30666225).

56236047 is a wasteful number, since it uses less digits than its factorization.

56236047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37798.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 56236047 is about 7499.0697423080. The cubic root of 56236047 is about 383.1230326421.

The spelling of 56236047 in words is "fifty-six million, two hundred thirty-six thousand, forty-seven".

Divisors: 1 3 7 21 71 213 497 1491 37717 113151 264019 792057 2677907 8033721 18745349 56236047