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56150042 = 21310919813
BaseRepresentation
bin1101011000110…
…0100000011010
310220122201101012
43112030200122
5103333300132
65323253522
71251160514
oct326144032
9126581335
1056150042
11297713a3
121697a2a2
13b82c7a0
147658bb4
154de20b2
hex358c81a

56150042 has 16 divisors (see below), whose sum is σ = 91540680. Its totient is φ = 25676352.

The previous prime is 56149991. The next prime is 56150047. The reversal of 56150042 is 24005165.

It can be written as a sum of positive squares in 4 ways, for example, as 24216241 + 31933801 = 4921^2 + 5651^2 .

It is not an unprimeable number, because it can be changed into a prime (56150047) 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 in 7 ways as a sum of consecutive naturals, for example, 7073 + ... + 12740.

Almost surely, 256150042 is an apocalyptic number.

56150042 is a deficient number, since it is larger than the sum of its proper divisors (35390638).

56150042 is a wasteful number, since it uses less digits than its factorization.

56150042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19937.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56150042 is about 7493.3331702254. Note that the first 3 decimals coincide. The cubic root of 56150042 is about 382.9276223423.

The spelling of 56150042 in words is "fifty-six million, one hundred fifty thousand, forty-two".

Divisors: 1 2 13 26 109 218 1417 2834 19813 39626 257569 515138 2159617 4319234 28075021 56150042