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56400548 = 2214100137
BaseRepresentation
bin1101011100100…
…1101010100100
310221010110000012
43113021222210
5103414304143
65332505352
71253253041
oct327115244
9127113005
1056400548
1129922626
1216a7b258
13b8b9809
1476c21c8
154e41418
hex35c9aa4

56400548 has 6 divisors (see below), whose sum is σ = 98700966. Its totient is φ = 28200272.

The previous prime is 56400541. The next prime is 56400601. The reversal of 56400548 is 84500465.

56400548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55681444 + 719104 = 7462^2 + 848^2 .

It is not an unprimeable number, because it can be changed into a prime (56400541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7050065 + ... + 7050072.

It is an arithmetic number, because the mean of its divisors is an integer number (16450161).

Almost surely, 256400548 is an apocalyptic number.

It is an amenable number.

56400548 is a deficient number, since it is larger than the sum of its proper divisors (42300418).

56400548 is a wasteful number, since it uses less digits than its factorization.

56400548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100141 (or 14100139 counting only the distinct ones).

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

The square root of 56400548 is about 7510.0298268382. The cubic root of 56400548 is about 383.4962379232.

The spelling of 56400548 in words is "fifty-six million, four hundred thousand, five hundred forty-eight".

Divisors: 1 2 4 14100137 28200274 56400548