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142794339 = 31731181499
BaseRepresentation
bin10001000001011…
…01111001100011
3100221200201000020
420200231321203
5243023404324
622100324523
73352506012
oct1040557143
9327621006
10142794339
1173670556
123b9a3743
13237781bc
1414d70a79
15c809679
hex882de63

142794339 has 32 divisors (see below), whose sum is σ = 209664000. Its totient is φ = 86054400.

The previous prime is 142794313. The next prime is 142794341. The reversal of 142794339 is 933497241.

It is not a de Polignac number, because 142794339 - 215 = 142761571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142794339.

It is not an unprimeable number, because it can be changed into a prime (142794439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285912 + ... + 286410.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2142794339 is an apocalyptic number.

142794339 is a deficient number, since it is larger than the sum of its proper divisors (66869661).

142794339 is a wasteful number, since it uses less digits than its factorization.

142794339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 163296, while the sum is 42.

The square root of 142794339 is about 11949.6585306861. The cubic root of 142794339 is about 522.6813411749.

The spelling of 142794339 in words is "one hundred forty-two million, seven hundred ninety-four thousand, three hundred thirty-nine".

Divisors: 1 3 17 31 51 93 181 499 527 543 1497 1581 3077 5611 8483 9231 15469 16833 25449 46407 90319 95387 262973 270957 286161 788919 1535423 2799889 4606269 8399667 47598113 142794339