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56887349 = 1923349373
BaseRepresentation
bin1101100100000…
…0100000110101
310222001011202212
43121000200311
5104030343344
65351143205
71260351221
oct331004065
9128034685
1056887349
112a125342
1217074b05
13ba2a26c
1477ab781
154eda79e
hex3640835

56887349 has 16 divisors (see below), whose sum is σ = 62832000. Its totient is φ = 51264576.

The previous prime is 56887333. The next prime is 56887351. The reversal of 56887349 is 94378865.

It is a cyclic number.

It is not a de Polignac number, because 56887349 - 24 = 56887333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56887297 and 56887306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56887309) 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, 152327 + ... + 152699.

It is an arithmetic number, because the mean of its divisors is an integer number (3927000).

Almost surely, 256887349 is an apocalyptic number.

It is an amenable number.

56887349 is a deficient number, since it is larger than the sum of its proper divisors (5944651).

56887349 is a wasteful number, since it uses less digits than its factorization.

56887349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 1451520, while the sum is 50.

The square root of 56887349 is about 7542.3702507899. The cubic root of 56887349 is about 384.5964152214.

The spelling of 56887349 in words is "fifty-six million, eight hundred eighty-seven thousand, three hundred forty-nine".

Divisors: 1 19 23 349 373 437 6631 7087 8027 8579 130177 152513 163001 2473363 2994071 56887349