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142626642 = 2385927673
BaseRepresentation
bin10001000000001…
…00111101010010
3100221101011222020
420200010331102
5243003023032
622052552310
73351210054
oct1040047522
9327334866
10142626642
1173566564
123b922696
1323719a82
1414d298d4
15c7c4b2c
hex8804f52

142626642 has 16 divisors (see below), whose sum is σ = 285595680. Its totient is φ = 47485152.

The previous prime is 142626637. The next prime is 142626661. The reversal of 142626642 is 246626241.

142626642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8683 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (17849730).

Almost surely, 2142626642 is an apocalyptic number.

142626642 is an abundant number, since it is smaller than the sum of its proper divisors (142969038).

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

142626642 is a wasteful number, since it uses less digits than its factorization.

142626642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537.

The product of its digits is 27648, while the sum is 33.

The square root of 142626642 is about 11942.6396579651. The cubic root of 142626642 is about 522.4766495216.

The spelling of 142626642 in words is "one hundred forty-two million, six hundred twenty-six thousand, six hundred forty-two".

Divisors: 1 2 3 6 859 1718 2577 5154 27673 55346 83019 166038 23771107 47542214 71313321 142626642