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142936552 = 23111624279
BaseRepresentation
bin10001000010100…
…00100111101000
3100221221221002101
420201100213220
5243042432202
622103343144
73353640433
oct1041204750
9327857071
10142936552
1173758390
123ba51ab4
13237c7b55
1414daa81a
15c836887
hex88509e8

142936552 has 16 divisors (see below), whose sum is σ = 292370400. Its totient is φ = 64971120.

The previous prime is 142936531. The next prime is 142936553. The reversal of 142936552 is 255639241.

It is not an unprimeable number, because it can be changed into a prime (142936553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812052 + ... + 812227.

It is an arithmetic number, because the mean of its divisors is an integer number (18273150).

Almost surely, 2142936552 is an apocalyptic number.

It is an amenable number.

142936552 is an abundant number, since it is smaller than the sum of its proper divisors (149433848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142936552 is a wasteful number, since it uses less digits than its factorization.

142936552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624296 (or 1624292 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 142936552 is about 11955.6075546164. The cubic root of 142936552 is about 522.8548014097.

The spelling of 142936552 in words is "one hundred forty-two million, nine hundred thirty-six thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 1624279 3248558 6497116 12994232 17867069 35734138 71468276 142936552