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142513772 = 22291228567
BaseRepresentation
bin10000111111010…
…01011001101100
3100221011110010212
420133221121230
5242440420042
622050321552
73350230022
oct1037513154
9327143125
10142513772
1173499785
123b8892b8
13236aa59b
1414cda712
15c7a1482
hex87e966c

142513772 has 12 divisors (see below), whose sum is σ = 257999280. Its totient is φ = 68799696.

The previous prime is 142513769. The next prime is 142513783. The reversal of 142513772 is 277315241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614168 + ... + 614399.

It is an arithmetic number, because the mean of its divisors is an integer number (21499940).

Almost surely, 2142513772 is an apocalyptic number.

It is an amenable number.

142513772 is a deficient number, since it is larger than the sum of its proper divisors (115485508).

142513772 is a wasteful number, since it uses less digits than its factorization.

142513772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228600 (or 1228598 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 142513772 is about 11937.9132179791. The cubic root of 142513772 is about 522.3387895781.

The spelling of 142513772 in words is "one hundred forty-two million, five hundred thirteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 29 58 116 1228567 2457134 4914268 35628443 71256886 142513772