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137169 = 3215241
BaseRepresentation
bin100001011111010001
320222011100
4201133101
513342134
62535013
71110624
oct413721
9228140
10137169
119406a
1267469
134a586
1437dbb
152a999
hex217d1

137169 has 6 divisors (see below), whose sum is σ = 198146. Its totient is φ = 91440.

The previous prime is 137153. The next prime is 137177. The reversal of 137169 is 961731.

137169 = T87 + T88 + ... + T113.

137169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 7569 = 360^2 + 87^2 .

It is not a de Polignac number, because 137169 - 24 = 137153 is a prime.

It is a super-2 number, since 2×1371692 = 37630669122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7612 + ... + 7629.

2137169 is an apocalyptic number.

It is an amenable number.

137169 is a deficient number, since it is larger than the sum of its proper divisors (60977).

137169 is a wasteful number, since it uses less digits than its factorization.

137169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247 (or 15244 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 137169 is about 370.3633351184. The cubic root of 137169 is about 51.5725561654.

The spelling of 137169 in words is "one hundred thirty-seven thousand, one hundred sixty-nine".

Divisors: 1 3 9 15241 45723 137169