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136215495 = 32513232847
BaseRepresentation
bin10000001111001…
…11101111000111
3100111022110112100
420013213233013
5234332343440
621303323143
73242545503
oct1007475707
9314273470
10136215495
116a987799
12397504b3
13222b38b0
141413b303
15be5a230
hex81e7bc7

136215495 has 24 divisors (see below), whose sum is σ = 254270016. Its totient is φ = 67059648.

The previous prime is 136215493. The next prime is 136215517. The reversal of 136215495 is 594512631.

It is not a de Polignac number, because 136215495 - 21 = 136215493 is a prime.

It is a super-2 number, since 2×1362154952 = 37109322156190050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136215491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115839 + ... + 117008.

It is an arithmetic number, because the mean of its divisors is an integer number (10594584).

Almost surely, 2136215495 is an apocalyptic number.

136215495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136215495 is a deficient number, since it is larger than the sum of its proper divisors (118054521).

136215495 is a wasteful number, since it uses less digits than its factorization.

136215495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232871 (or 232868 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 136215495 is about 11671.1394045312. The cubic root of 136215495 is about 514.5277916235.

The spelling of 136215495 in words is "one hundred thirty-six million, two hundred fifteen thousand, four hundred ninety-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 232847 698541 1164235 2095623 3027011 3492705 9081033 10478115 15135055 27243099 45405165 136215495