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142906312 = 2346138749
BaseRepresentation
bin10001000010010…
…01001111001000
3100221220101121101
420201021033020
5243041000222
622102551144
73353453323
oct1041111710
9327811541
10142906312
117373769a
123ba384b4
13237b7163
1414d9d7ba
15c82c927
hex88493c8

142906312 has 16 divisors (see below), whose sum is σ = 268537500. Its totient is φ = 71296320.

The previous prime is 142906289. The next prime is 142906343. The reversal of 142906312 is 213609241.

It can be written as a sum of positive squares in 2 ways, for example, as 141752836 + 1153476 = 11906^2 + 1074^2 .

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, 15687 + ... + 23062.

Almost surely, 2142906312 is an apocalyptic number.

It is an amenable number.

142906312 is a deficient number, since it is larger than the sum of its proper divisors (125631188).

142906312 is a wasteful number, since it uses less digits than its factorization.

142906312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39216 (or 39212 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 142906312 is about 11954.3428092054. The cubic root of 142906312 is about 522.8179266703.

It can be divided in two parts, 14290 and 6312, that added together give a palindrome (20602).

The spelling of 142906312 in words is "one hundred forty-two million, nine hundred six thousand, three hundred twelve".

Divisors: 1 2 4 8 461 922 1844 3688 38749 77498 154996 309992 17863289 35726578 71453156 142906312