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56452820 = 2252822641
BaseRepresentation
bin1101011101011…
…0011011010100
310221020002201012
43113112123110
5103422442240
65333551352
71253561324
oct327263324
9127202635
1056452820
1129958926
1216aa5558
13b907548
1476d7284
154e51b65
hex35d66d4

56452820 has 12 divisors (see below), whose sum is σ = 118550964. Its totient is φ = 22581120.

The previous prime is 56452817. The next prime is 56452831. The reversal of 56452820 is 2825465.

It can be written as a sum of positive squares in 2 ways, for example, as 43507216 + 12945604 = 6596^2 + 3598^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411301 + ... + 1411340.

It is an arithmetic number, because the mean of its divisors is an integer number (9879247).

Almost surely, 256452820 is an apocalyptic number.

It is an amenable number.

56452820 is an abundant number, since it is smaller than the sum of its proper divisors (62098144).

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

56452820 is a wasteful number, since it uses less digits than its factorization.

56452820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822650 (or 2822648 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 56452820 is about 7513.5091668274. The cubic root of 56452820 is about 383.6146760492.

The spelling of 56452820 in words is "fifty-six million, four hundred fifty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2822641 5645282 11290564 14113205 28226410 56452820