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56281371 = 321118887
BaseRepresentation
bin1101011010110…
…0100100011011
310220220101112020
43112230210123
5103402000441
65330145523
71252245426
oct326544433
9126811466
1056281371
1129851033
1216a222a3
13b8774b3
1476909bd
154e1ae66
hex35ac91b

56281371 has 8 divisors (see below), whose sum is σ = 75085824. Its totient is φ = 37498920.

The previous prime is 56281349. The next prime is 56281411. The reversal of 56281371 is 17318265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56281371 - 210 = 56280347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56281301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (9385728).

Almost surely, 256281371 is an apocalyptic number.

56281371 is a deficient number, since it is larger than the sum of its proper divisors (18804453).

56281371 is a wasteful number, since it uses less digits than its factorization.

56281371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001.

The product of its digits is 10080, while the sum is 33.

The square root of 56281371 is about 7502.0911084844. The cubic root of 56281371 is about 383.2259322724.

The spelling of 56281371 in words is "fifty-six million, two hundred eighty-one thousand, three hundred seventy-one".

Divisors: 1 3 2111 6333 8887 26661 18760457 56281371