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142870764 = 223371512131
BaseRepresentation
bin10001000010000…
…00100011101100
3100221211120211210
420201000203230
5243033331024
622102114420
73353244561
oct1041004354
9327746753
10142870764
1173712a13
123ba1ba10
13237a3c1a
1414d90868
15c822129
hex88408ec

142870764 has 48 divisors (see below), whose sum is σ = 344804096. Its totient is φ = 46008000.

The previous prime is 142870757. The next prime is 142870799. The reversal of 142870764 is 467078241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65979 + ... + 68109.

Almost surely, 2142870764 is an apocalyptic number.

It is an amenable number.

142870764 is an abundant number, since it is smaller than the sum of its proper divisors (201933332).

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

142870764 is a wasteful number, since it uses less digits than its factorization.

142870764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 142870764 is about 11952.8558930492. The cubic root of 142870764 is about 522.7745726886.

The spelling of 142870764 in words is "one hundred forty-two million, eight hundred seventy thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 151 222 302 444 453 604 906 1812 2131 4262 5587 6393 8524 11174 12786 16761 22348 25572 33522 67044 78847 157694 236541 315388 321781 473082 643562 946164 965343 1287124 1930686 3861372 11905897 23811794 35717691 47623588 71435382 142870764