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142746564 = 22321156377
BaseRepresentation
bin10001000001000…
…10001111000100
3100221121021110210
420200202033010
5243020342224
622055315420
73352216512
oct1040421704
9327537423
10142746564
1173638674
123b97bb70
132375c52c
1414d5b4b2
15c7ea429
hex88223c4

142746564 has 24 divisors (see below), whose sum is σ = 334659808. Its totient is φ = 47355840.

The previous prime is 142746559. The next prime is 142746577. The reversal of 142746564 is 465647241.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 25657 + ... + 30720.

Almost surely, 2142746564 is an apocalyptic number.

It is an amenable number.

142746564 is an abundant number, since it is smaller than the sum of its proper divisors (191913244).

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

142746564 is a wasteful number, since it uses less digits than its factorization.

142746564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56595 (or 56593 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 142746564 is about 11947.6593523585. The cubic root of 142746564 is about 522.6230431438.

The spelling of 142746564 in words is "one hundred forty-two million, seven hundred forty-six thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 211 422 633 844 1266 2532 56377 112754 169131 225508 338262 676524 11895547 23791094 35686641 47582188 71373282 142746564