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142872152 = 2317859019
BaseRepresentation
bin10001000010000…
…00111001011000
3100221211122202012
420201000321120
5243033402102
622102125052
73353251613
oct1041007130
9327748665
10142872152
1173713a65
123ba20788
13237a4747
1414d9117a
15c822752
hex8840e58

142872152 has 8 divisors (see below), whose sum is σ = 267885300. Its totient is φ = 71436072.

The previous prime is 142872143. The next prime is 142872157. The reversal of 142872152 is 251278241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1428721522 = 40824903634222208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142872157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8929502 + ... + 8929517.

Almost surely, 2142872152 is an apocalyptic number.

It is an amenable number.

142872152 is a deficient number, since it is larger than the sum of its proper divisors (125013148).

142872152 is a wasteful number, since it uses less digits than its factorization.

142872152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17859025 (or 17859021 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 142872152 is about 11952.9139543460. The cubic root of 142872152 is about 522.7762656143.

The spelling of 142872152 in words is "one hundred forty-two million, eight hundred seventy-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 17859019 35718038 71436076 142872152