Search a number
-
+
142570834 = 2747389557
BaseRepresentation
bin10000111111101…
…11010101010010
3100221021100102021
420133313111102
5242444231314
622051442054
73350555260
oct1037672522
9327240367
10142570834
117352863a
123b8b632a
13236ca553
1414d13430
15c7b3324
hex87f7552

142570834 has 32 divisors (see below), whose sum is σ = 250698240. Its totient is φ = 59540928.

The previous prime is 142570811. The next prime is 142570853. The reversal of 142570834 is 438075241.

It is a self number, because there is not a number n which added to its sum of digits gives 142570834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255684 + ... + 256240.

It is an arithmetic number, because the mean of its divisors is an integer number (7834320).

Almost surely, 2142570834 is an apocalyptic number.

142570834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142570834 is a deficient number, since it is larger than the sum of its proper divisors (108127406).

142570834 is a wasteful number, since it uses less digits than its factorization.

142570834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 142570834 is about 11940.3029274805. The cubic root of 142570834 is about 522.4084944645.

The spelling of 142570834 in words is "one hundred forty-two million, five hundred seventy thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 47 94 329 389 557 658 778 1114 2723 3899 5446 7798 18283 26179 36566 52358 127981 183253 216673 255962 366506 433346 1516711 3033422 10183631 20367262 71285417 142570834