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56387245 = 552321563
BaseRepresentation
bin1101011100011…
…0011010101101
310221002202202111
43113012122231
5103413342440
65332324021
71253166205
oct327063255
9127082674
1056387245
1129913632
1216a73611
13b8b3745
1476bb405
154e3c4ea
hex35c66ad

56387245 has 8 divisors (see below), whose sum is σ = 67797216. Its totient is φ = 45021456.

The previous prime is 56387239. The next prime is 56387251. The reversal of 56387245 is 54278365.

It is an interprime number because it is at equal distance from previous prime (56387239) and next prime (56387251).

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

It is a cyclic number.

It is not a de Polignac number, because 56387245 - 215 = 56354477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56387198 and 56387207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8167 + ... + 13396.

It is an arithmetic number, because the mean of its divisors is an integer number (8474652).

Almost surely, 256387245 is an apocalyptic number.

It is an amenable number.

56387245 is a deficient number, since it is larger than the sum of its proper divisors (11409971).

56387245 is a wasteful number, since it uses less digits than its factorization.

56387245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091.

The product of its digits is 201600, while the sum is 40.

The square root of 56387245 is about 7509.1440923716. The cubic root of 56387245 is about 383.4660842469.

The spelling of 56387245 in words is "fifty-six million, three hundred eighty-seven thousand, two hundred forty-five".

Divisors: 1 5 523 2615 21563 107815 11277449 56387245