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56951130 = 2351898371
BaseRepresentation
bin1101100101000…
…0000101011010
310222011102021010
43121100011122
5104034414010
65352354350
71261035165
oct331200532
9128142233
1056951130
112a169255
12170a59b6
13ba502c2
1477c6adc
154eee620
hex365015a

56951130 has 16 divisors (see below), whose sum is σ = 136682784. Its totient is φ = 15186960.

The previous prime is 56951129. The next prime is 56951131. The reversal of 56951130 is 3115965.

It is an interprime number because it is at equal distance from previous prime (56951129) and next prime (56951131).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1898371 = 56951130 / (5 + 6 + 9 + 5 + 1 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (56951131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949156 + ... + 949215.

It is an arithmetic number, because the mean of its divisors is an integer number (8542674).

Almost surely, 256951130 is an apocalyptic number.

56951130 is an abundant number, since it is smaller than the sum of its proper divisors (79731654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56951130 is a wasteful number, since it uses less digits than its factorization.

56951130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898381.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 56951130 is about 7546.5972464416. The cubic root of 56951130 is about 384.7400955685.

The spelling of 56951130 in words is "fifty-six million, nine hundred fifty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1898371 3796742 5695113 9491855 11390226 18983710 28475565 56951130