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137415697 = 5314917401
BaseRepresentation
bin10000011000011…
…00110000010001
3100120120102220021
420030030300101
5240134300242
621345143441
73256004566
oct1014146021
9316512807
10137415697
11706274a1
123a02ab81
1322613c83
141437086d
15c0e5b67
hex830cc11

137415697 has 8 divisors (see below), whose sum is σ = 140956200. Its totient is φ = 133910400.

The previous prime is 137415689. The next prime is 137415701. The reversal of 137415697 is 796514731.

It can be written as a sum of positive squares in 4 ways, for example, as 14737921 + 122677776 = 3839^2 + 11076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137415697 - 23 = 137415689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137415617) 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, 804 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (17619525).

Almost surely, 2137415697 is an apocalyptic number.

It is an amenable number.

137415697 is a deficient number, since it is larger than the sum of its proper divisors (3540503).

137415697 is a wasteful number, since it uses less digits than its factorization.

137415697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17603.

The product of its digits is 158760, while the sum is 43.

The square root of 137415697 is about 11722.4441564036. Note that the first 3 decimals coincide. The cubic root of 137415697 is about 516.0345521502.

It can be divided in two parts, 1374 and 15697, that added together give a palindrome (17071).

The spelling of 137415697 in words is "one hundred thirty-seven million, four hundred fifteen thousand, six hundred ninety-seven".

Divisors: 1 53 149 7897 17401 922253 2592749 137415697