Search a number
-
+
158772102 = 2326462017
BaseRepresentation
bin10010111011010…
…10101110000110
3102001202110101020
421131222232012
5311121201402
623431012010
73635353266
oct1135525606
9361673336
10158772102
1181693915
124520a006
1326b808b8
141712d7a6
15de138bc
hex976ab86

158772102 has 8 divisors (see below), whose sum is σ = 317544216. Its totient is φ = 52924032.

The previous prime is 158772091. The next prime is 158772109. The reversal of 158772102 is 201277851.

It is a sphenic number, since it is the product of 3 distinct primes.

158772102 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158772109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13231003 + ... + 13231014.

It is an arithmetic number, because the mean of its divisors is an integer number (39693027).

Almost surely, 2158772102 is an apocalyptic number.

158772102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158772102 is a wasteful number, since it uses less digits than its factorization.

158772102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26462022.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 158772102 is about 12600.4802289437. The cubic root of 158772102 is about 541.4911938231.

The spelling of 158772102 in words is "one hundred fifty-eight million, seven hundred seventy-two thousand, one hundred two".

Divisors: 1 2 3 6 26462017 52924034 79386051 158772102