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56012955 = 354779451
BaseRepresentation
bin1101010110101…
…1000010011011
310220101202022220
43111223002123
5103314403310
65320315123
71250050035
oct325530233
9126352286
1056012955
11296883a9
1216912aa3
13b7b227b
147620c55
154db6670
hex356b09b

56012955 has 16 divisors (see below), whose sum is σ = 91528704. Its totient is φ = 29237600.

The previous prime is 56012947. The next prime is 56012963. The reversal of 56012955 is 55921065.

It is an interprime number because it is at equal distance from previous prime (56012947) and next prime (56012963).

It is not a de Polignac number, because 56012955 - 23 = 56012947 is a prime.

It is a super-2 number, since 2×560129552 = 6274902255664050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39021 + ... + 40430.

It is an arithmetic number, because the mean of its divisors is an integer number (5720544).

Almost surely, 256012955 is an apocalyptic number.

56012955 is a deficient number, since it is larger than the sum of its proper divisors (35515749).

56012955 is a wasteful number, since it uses less digits than its factorization.

56012955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79506.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 56012955 is about 7484.1803158395. The cubic root of 56012955 is about 382.6157366886.

The spelling of 56012955 in words is "fifty-six million, twelve thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 47 141 235 705 79451 238353 397255 1191765 3734197 11202591 18670985 56012955