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136960090 = 2541334049
BaseRepresentation
bin10000010100111…
…01100001011010
3100112201021220221
420022131201122
5240030210330
621331310254
73252066361
oct1012354132
9315637827
10136960090
1170346163
1239a4b38a
13224b4797
14142927d8
15c055b7a
hex829d85a

136960090 has 16 divisors (see below), whose sum is σ = 252541800. Its totient is φ = 53447680.

The previous prime is 136960081. The next prime is 136960097. The reversal of 136960090 is 90069631.

It can be written as a sum of positive squares in 4 ways, for example, as 92910321 + 44049769 = 9639^2 + 6637^2 .

It is not an unprimeable number, because it can be changed into a prime (136960097) 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, 166615 + ... + 167434.

Almost surely, 2136960090 is an apocalyptic number.

136960090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136960090 is a deficient number, since it is larger than the sum of its proper divisors (115581710).

136960090 is a wasteful number, since it uses less digits than its factorization.

136960090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334097.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 136960090 is about 11702.9949158324. The cubic root of 136960090 is about 515.4636099250.

The spelling of 136960090 in words is "one hundred thirty-six million, nine hundred sixty thousand, ninety".

Divisors: 1 2 5 10 41 82 205 410 334049 668098 1670245 3340490 13696009 27392018 68480045 136960090