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56984430 = 2351899481
BaseRepresentation
bin1101100101100…
…0001101101110
310222020002221110
43121120031232
5104042000210
65353212450
71261234236
oct331301556
9128202843
1056984430
112a191278
1217101126
13ba624c9
1477d4cc6
155009420
hex365836e

56984430 has 16 divisors (see below), whose sum is σ = 136762704. Its totient is φ = 15195840.

The previous prime is 56984423. The next prime is 56984443. The reversal of 56984430 is 3448965.

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, 949711 + ... + 949770.

It is an arithmetic number, because the mean of its divisors is an integer number (8547669).

Almost surely, 256984430 is an apocalyptic number.

56984430 is an abundant number, since it is smaller than the sum of its proper divisors (79778274).

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

56984430 is a wasteful number, since it uses less digits than its factorization.

56984430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899491.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 56984430 is about 7548.8032164046. The cubic root of 56984430 is about 384.8150683210.

The spelling of 56984430 in words is "fifty-six million, nine hundred eighty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1899481 3798962 5698443 9497405 11396886 18994810 28492215 56984430