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142293892 = 221315111811
BaseRepresentation
bin10000111101100…
…11101110000100
3100220202021112011
420132303232010
5242411401032
622041504004
73345322666
oct1036635604
9326667464
10142293892
1173359564
123b7a2004
1323631490
1414c80536
15c75b247
hex87b3b84

142293892 has 24 divisors (see below), whose sum is σ = 268494912. Its totient is φ = 65594400.

The previous prime is 142293889. The next prime is 142293919. The reversal of 142293892 is 298392241.

142293892 is digitally balanced in base 2 and base 3, because in such bases 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, 77667 + ... + 79477.

It is an arithmetic number, because the mean of its divisors is an integer number (11187288).

Almost surely, 2142293892 is an apocalyptic number.

It is an amenable number.

142293892 is a deficient number, since it is larger than the sum of its proper divisors (126201020).

142293892 is a wasteful number, since it uses less digits than its factorization.

142293892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339 (or 3337 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 142293892 is about 11928.7003483196. The cubic root of 142293892 is about 522.0700179611.

The spelling of 142293892 in words is "one hundred forty-two million, two hundred ninety-three thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 52 1511 1811 3022 3622 6044 7244 19643 23543 39286 47086 78572 94172 2736421 5472842 10945684 35573473 71146946 142293892