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56052380 = 22523121853
BaseRepresentation
bin1101010111010…
…0101010011100
310220110202102002
43111310222130
5103322134010
65321221432
71250303006
oct325645234
9126422362
1056052380
1129704a8a
1216931878
13b7c71b7
147631376
154dc31a5
hex3574a9c

56052380 has 24 divisors (see below), whose sum is σ = 122828832. Its totient is φ = 21445952.

The previous prime is 56052379. The next prime is 56052391. The reversal of 56052380 is 8325065.

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, 60467 + ... + 61386.

It is an arithmetic number, because the mean of its divisors is an integer number (5117868).

Almost surely, 256052380 is an apocalyptic number.

It is an amenable number.

56052380 is an abundant number, since it is smaller than the sum of its proper divisors (66776452).

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

56052380 is a wasteful number, since it uses less digits than its factorization.

56052380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121885 (or 121883 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56052380 is about 7486.8137415058. The cubic root of 56052380 is about 382.7054843055.

The spelling of 56052380 in words is "fifty-six million, fifty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 121853 243706 487412 609265 1218530 2437060 2802619 5605238 11210476 14013095 28026190 56052380