Search a number
-
+
136974015 = 32517179051
BaseRepresentation
bin10000010101000…
…00111010111111
3100112202000000200
420022200322333
5240031132030
621331454543
73252155103
oct1012407277
9315660020
10136974015
1170355672
1239a57453
13224bac19
1414297903
15c059d60
hex82a0ebf

136974015 has 24 divisors (see below), whose sum is σ = 251389008. Its totient is φ = 68755200.

The previous prime is 136974001. The next prime is 136974023. The reversal of 136974015 is 510479631.

136974015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136974015 - 29 = 136973503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88761 + ... + 90290.

It is an arithmetic number, because the mean of its divisors is an integer number (10474542).

Almost surely, 2136974015 is an apocalyptic number.

136974015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136974015 is a deficient number, since it is larger than the sum of its proper divisors (114414993).

136974015 is a wasteful number, since it uses less digits than its factorization.

136974015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179079 (or 179076 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 136974015 is about 11703.5898338928. The cubic root of 136974015 is about 515.4810787305.

The spelling of 136974015 in words is "one hundred thirty-six million, nine hundred seventy-four thousand, fifteen".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 179051 537153 895255 1611459 2685765 3043867 8057295 9131601 15219335 27394803 45658005 136974015