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142672464 = 24321190071
BaseRepresentation
bin10001000000100…
…00001001010000
3100221110111211100
420200100021100
5243011004324
622053544400
73351460464
oct1040201120
9327414740
10142672464
1173597a30
123b945100
132373489c
1414d3c4a4
15c7d34c9
hex8810250

142672464 has 60 divisors (see below), whose sum is σ = 435588192. Its totient is φ = 43233600.

The previous prime is 142672459. The next prime is 142672471. The reversal of 142672464 is 464276241.

It is a super-4 number, since 4×1426724644 (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43452 + ... + 46619.

Almost surely, 2142672464 is an apocalyptic number.

It is an amenable number.

142672464 is an abundant number, since it is smaller than the sum of its proper divisors (292915728).

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

142672464 is a wasteful number, since it uses less digits than its factorization.

142672464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90096 (or 90087 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 142672464 is about 11944.5579240087. The cubic root of 142672464 is about 522.5325959687.

The spelling of 142672464 in words is "one hundred forty-two million, six hundred seventy-two thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 90071 180142 270213 360284 540426 720568 810639 990781 1080852 1441136 1621278 1981562 2161704 2972343 3242556 3963124 4323408 5944686 6485112 7926248 8917029 11889372 12970224 15852496 17834058 23778744 35668116 47557488 71336232 142672464