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142356126 = 231112971663
BaseRepresentation
bin10000111110000…
…10111010011110
3100220212102220010
420133002322132
5242420344001
622043104050
73346002303
oct1037027236
9326772803
10142356126
11733a12a0
123b812026
13236538c3
1414c990aa
15c76e8d6
hex87c2e9e

142356126 has 32 divisors (see below), whose sum is σ = 311021568. Its totient is φ = 43079040.

The previous prime is 142356119. The next prime is 142356143. The reversal of 142356126 is 621653241.

It is a junction number, because it is equal to n+sod(n) for n = 142356093 and 142356102.

It is a congruent number.

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, 84771 + ... + 86433.

It is an arithmetic number, because the mean of its divisors is an integer number (9719424).

Almost surely, 2142356126 is an apocalyptic number.

142356126 is an abundant number, since it is smaller than the sum of its proper divisors (168665442).

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

142356126 is a wasteful number, since it uses less digits than its factorization.

142356126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its digits is 8640, while the sum is 30.

The square root of 142356126 is about 11931.3086457438. The cubic root of 142356126 is about 522.1461181354.

The spelling of 142356126 in words is "one hundred forty-two million, three hundred fifty-six thousand, one hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 1297 1663 2594 3326 3891 4989 7782 9978 14267 18293 28534 36586 42801 54879 85602 109758 2156911 4313822 6470733 12941466 23726021 47452042 71178063 142356126