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137716361 = 295746573
BaseRepresentation
bin10000011010101…
…10001010001001
3100121010201022222
420031112022021
5240223410421
621355423425
73261366266
oct1015261211
9317121288
10137716361
1170812382
123a154b75
13226baa93
141440c26d
15c154cab
hex8356289

137716361 has 4 divisors (see below), whose sum is σ = 137765892. Its totient is φ = 137666832.

The previous prime is 137716321. The next prime is 137716363. The reversal of 137716361 is 163617731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9030025 + 128686336 = 3005^2 + 11344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137716361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137716363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20330 + ... + 26243.

It is an arithmetic number, because the mean of its divisors is an integer number (34441473).

Almost surely, 2137716361 is an apocalyptic number.

It is an amenable number.

137716361 is a deficient number, since it is larger than the sum of its proper divisors (49531).

137716361 is an equidigital number, since it uses as much as digits as its factorization.

137716361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49530.

The product of its digits is 15876, while the sum is 35.

The square root of 137716361 is about 11735.2614372241. The cubic root of 137716361 is about 516.4106372594.

The spelling of 137716361 in words is "one hundred thirty-seven million, seven hundred sixteen thousand, three hundred sixty-one".

Divisors: 1 2957 46573 137716361