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137177385 = 359145159
BaseRepresentation
bin10000010110100…
…10100100101001
3100120010022222220
420023102210221
5240104134020
621340104253
73253663032
oct1013224451
9316108886
10137177385
1170484444
1239b35089
132255c667
141430ba89
15c09a240
hex82d2929

137177385 has 8 divisors (see below), whose sum is σ = 219483840. Its totient is φ = 73161264.

The previous prime is 137177371. The next prime is 137177393. The reversal of 137177385 is 583771731.

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

It is not a de Polignac number, because 137177385 - 215 = 137144617 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4572565 + ... + 4572594.

It is an arithmetic number, because the mean of its divisors is an integer number (27435480).

Almost surely, 2137177385 is an apocalyptic number.

137177385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137177385 is a deficient number, since it is larger than the sum of its proper divisors (82306455).

137177385 is an equidigital number, since it uses as much as digits as its factorization.

137177385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145167.

The product of its digits is 123480, while the sum is 42.

The square root of 137177385 is about 11712.2749711574. The cubic root of 137177385 is about 515.7360700306.

The spelling of 137177385 in words is "one hundred thirty-seven million, one hundred seventy-seven thousand, three hundred eighty-five".

Divisors: 1 3 5 15 9145159 27435477 45725795 137177385