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56125072 = 243507817
BaseRepresentation
bin1101011000011…
…0011010010000
310220121110010101
43112012122100
5103332000242
65322542144
71251024643
oct326063220
9126543111
1056125072
1129754663
1216967954
13b821303
14764da5a
154dd99b7
hex3586690

56125072 has 10 divisors (see below), whose sum is σ = 108742358. Its totient is φ = 28062528.

The previous prime is 56125061. The next prime is 56125079. The reversal of 56125072 is 27052165.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 26050816 = 5484^2 + 5104^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56125072.

It is not an unprimeable number, because it can be changed into a prime (56125079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753893 + ... + 1753924.

Almost surely, 256125072 is an apocalyptic number.

It is an amenable number.

56125072 is a deficient number, since it is larger than the sum of its proper divisors (52617286).

56125072 is a wasteful number, since it uses less digits than its factorization.

56125072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507825 (or 3507819 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 56125072 is about 7491.6668372265. Note that the first 3 decimals coincide. The cubic root of 56125072 is about 382.8708511147.

The spelling of 56125072 in words is "fifty-six million, one hundred twenty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 3507817 7015634 14031268 28062536 56125072