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22955142 = 237737487
BaseRepresentation
bin101011110010…
…0010010000110
31121012020112110
41113210102012
521334031032
62140001450
7366054420
oct127442206
947166473
1022955142
1111a595a1
127830286
1349a9532
143097810
1520367cc
hex15e4486

22955142 has 32 divisors (see below), whose sum is σ = 53194752. Its totient is φ = 6467904.

The previous prime is 22955137. The next prime is 22955183. The reversal of 22955142 is 24155922.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1662336).

Almost surely, 222955142 is an apocalyptic number.

22955142 is an abundant number, since it is smaller than the sum of its proper divisors (30239610).

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

22955142 is a wasteful number, since it uses less digits than its factorization.

22955142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572.

The product of its digits is 7200, while the sum is 30.

The square root of 22955142 is about 4791.1524709614. The cubic root of 22955142 is about 284.2016933324.

The spelling of 22955142 in words is "twenty-two million, nine hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 7487 14974 22461 44922 52409 104818 157227 314454 546551 1093102 1639653 3279306 3825857 7651714 11477571 22955142