Search a number
-
+
142935854 = 2313376841
BaseRepresentation
bin10001000010100…
…00011100101110
3100221221220010112
420201100130232
5243042421404
622103340022
73353635415
oct1041203456
9327856115
10142935854
1173757906
123ba51612
13237c7739
1414daa47c
15c83656e
hex885072e

142935854 has 16 divisors (see below), whose sum is σ = 222009216. Its totient is φ = 68947200.

The previous prime is 142935811. The next prime is 142935889. The reversal of 142935854 is 458539241.

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 7 ways as a sum of consecutive naturals, for example, 17474 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (13875576).

Almost surely, 2142935854 is an apocalyptic number.

142935854 is a deficient number, since it is larger than the sum of its proper divisors (79073362).

142935854 is a wasteful number, since it uses less digits than its factorization.

142935854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211.

The product of its digits is 172800, while the sum is 41.

The square root of 142935854 is about 11955.5783632579. The cubic root of 142935854 is about 522.8539503253.

The spelling of 142935854 in words is "one hundred forty-two million, nine hundred thirty-five thousand, eight hundred fifty-four".

Divisors: 1 2 31 62 337 674 6841 10447 13682 20894 212071 424142 2305417 4610834 71467927 142935854