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136706717 = 725947287
BaseRepresentation
bin10000010010111…
…11101010011101
3100112020102100202
420021133222131
5234444103332
621322033245
73246662600
oct1011375235
9315212322
10136706717
1170192864
1239948825
1322426364
1414228337
15c005a62
hex825fa9d

136706717 has 12 divisors (see below), whose sum is σ = 161724960. Its totient is φ = 115188696.

The previous prime is 136706677. The next prime is 136706743. The reversal of 136706717 is 717607631.

It is a happy number.

It is not a de Polignac number, because 136706717 - 218 = 136444573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136706747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20753 + ... + 26534.

It is an arithmetic number, because the mean of its divisors is an integer number (13477080).

Almost surely, 2136706717 is an apocalyptic number.

It is an amenable number.

136706717 is a deficient number, since it is larger than the sum of its proper divisors (25018243).

136706717 is an equidigital number, since it uses as much as digits as its factorization.

136706717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47360 (or 47353 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 136706717 is about 11692.1647696224. The cubic root of 136706717 is about 515.1455484552.

The spelling of 136706717 in words is "one hundred thirty-six million, seven hundred six thousand, seven hundred seventeen".

Divisors: 1 7 49 59 413 2891 47287 331009 2317063 2789933 19529531 136706717