Search a number
-
+
142257462 = 23171394681
BaseRepresentation
bin10000111101010…
…10110100110110
3100220200102112220
420132222310312
5242404214322
622041023210
73345111534
oct1036526466
9326612486
10142257462
1173334156
123b784b06
132361aa19
1414c71154
15c75055c
hex87aad36

142257462 has 16 divisors (see below), whose sum is σ = 301251312. Its totient is φ = 44629760.

The previous prime is 142257457. The next prime is 142257469. The reversal of 142257462 is 264752241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142257469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697239 + ... + 697442.

It is an arithmetic number, because the mean of its divisors is an integer number (18828207).

Almost surely, 2142257462 is an apocalyptic number.

142257462 is an abundant number, since it is smaller than the sum of its proper divisors (158993850).

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

142257462 is a wasteful number, since it uses less digits than its factorization.

142257462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394703.

The product of its digits is 26880, while the sum is 33.

The square root of 142257462 is about 11927.1732610875. The cubic root of 142257462 is about 522.0254608036.

The spelling of 142257462 in words is "one hundred forty-two million, two hundred fifty-seven thousand, four hundred sixty-two".

Divisors: 1 2 3 6 17 34 51 102 1394681 2789362 4184043 8368086 23709577 47419154 71128731 142257462