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56439412 = 22149281337
BaseRepresentation
bin1101011101001…
…1001001110100
310221012102022121
43113103021310
5103422030122
65333405324
71253504251
oct327231164
9127172277
1056439412
1129949847
1216a99844
13b901403
1476d2428
154e4cbc7
hex35d3274

56439412 has 24 divisors (see below), whose sum is σ = 100081800. Its totient is φ = 27847680.

The previous prime is 56439403. The next prime is 56439413. The reversal of 56439412 is 21493465.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1175056 + 55264356 = 1084^2 + 7434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56439413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167308 + ... + 167644.

It is an arithmetic number, because the mean of its divisors is an integer number (4170075).

Almost surely, 256439412 is an apocalyptic number.

It is an amenable number.

56439412 is a deficient number, since it is larger than the sum of its proper divisors (43642388).

56439412 is a wasteful number, since it uses less digits than its factorization.

56439412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 769 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 56439412 is about 7512.6168543325. The cubic root of 56439412 is about 383.5843031181.

The spelling of 56439412 in words is "fifty-six million, four hundred thirty-nine thousand, four hundred twelve".

Divisors: 1 2 4 149 281 298 337 562 596 674 1124 1348 41869 50213 83738 94697 100426 167476 189394 200852 378788 14109853 28219706 56439412