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56430423 = 327895721
BaseRepresentation
bin1101011101000…
…0111101010111
310221011221222200
43113100331113
5103421233143
65333255543
71253436120
oct327207527
9127157880
1056430423
1129943015
1216a945b3
13b8ca2aa
1476cd047
154e4a1d3
hex35d0f57

56430423 has 12 divisors (see below), whose sum is σ = 93155088. Its totient is φ = 32245920.

The previous prime is 56430421. The next prime is 56430449. The reversal of 56430423 is 32403465.

It is not a de Polignac number, because 56430423 - 21 = 56430421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56430421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447798 + ... + 447923.

It is an arithmetic number, because the mean of its divisors is an integer number (7762924).

Almost surely, 256430423 is an apocalyptic number.

56430423 is a deficient number, since it is larger than the sum of its proper divisors (36724665).

56430423 is a wasteful number, since it uses less digits than its factorization.

56430423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895734 (or 895731 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 56430423 is about 7512.0185702646. The cubic root of 56430423 is about 383.5639377844.

Adding to 56430423 its reverse (32403465), we get a palindrome (88833888).

The spelling of 56430423 in words is "fifty-six million, four hundred thirty thousand, four hundred twenty-three".

Divisors: 1 3 7 9 21 63 895721 2687163 6270047 8061489 18810141 56430423