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56145142 = 2792691321
BaseRepresentation
bin1101011000101…
…1010011110110
310220122110122201
43112023103312
5103333121032
65323215114
71251140314
oct326132366
9126573581
1056145142
1129768749
121697749a
13b82a4a1
1476570b4
154de08e7
hex358b4f6

56145142 has 16 divisors (see below), whose sum is σ = 85665600. Its totient is φ = 27593280.

The previous prime is 56145127. The next prime is 56145151. The reversal of 56145142 is 24154165.

It is a self number, because there is not a number n which added to its sum of digits gives 56145142.

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, 41842 + ... + 43162.

It is an arithmetic number, because the mean of its divisors is an integer number (5354100).

Almost surely, 256145142 is an apocalyptic number.

56145142 is a deficient number, since it is larger than the sum of its proper divisors (29520458).

56145142 is a wasteful number, since it uses less digits than its factorization.

56145142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its digits is 4800, while the sum is 28.

The square root of 56145142 is about 7493.0062057895. The cubic root of 56145142 is about 382.9164831406.

The spelling of 56145142 in words is "fifty-six million, one hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 79 158 269 538 1321 2642 21251 42502 104359 208718 355349 710698 28072571 56145142