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142502944 = 2511339409
BaseRepresentation
bin10000111111001…
…10110000100000
3100221010220021211
420133212300200
5242440043234
622050155504
73350153323
oct1037466040
9327126254
10142502944
1173491631
123b882b94
13236a568c
1414cd67ba
15c79d164
hex87e6c20

142502944 has 24 divisors (see below), whose sum is σ = 283042620. Its totient is φ = 70619136.

The previous prime is 142502933. The next prime is 142502957. The reversal of 142502944 is 449205241.

142502944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129686544 + 12816400 = 11388^2 + 3580^2 .

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, 16089 + ... + 23320.

Almost surely, 2142502944 is an apocalyptic number.

It is an amenable number.

142502944 is a deficient number, since it is larger than the sum of its proper divisors (140539676).

142502944 is a wasteful number, since it uses less digits than its factorization.

142502944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39532 (or 39524 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 142502944 is about 11937.4596962670. The cubic root of 142502944 is about 522.3255603826.

The spelling of 142502944 in words is "one hundred forty-two million, five hundred two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 113 226 452 904 1808 3616 39409 78818 157636 315272 630544 1261088 4453217 8906434 17812868 35625736 71251472 142502944