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137387379 = 346398911
BaseRepresentation
bin10000011000001…
…01110101110011
3100120112000001110
420030011311303
5240132344004
621344404403
73255526203
oct1014056563
9316460043
10137387379
1170608198
123a016703
132260410c
1414364403
15c0dc589
hex8305d73

137387379 has 8 divisors (see below), whose sum is σ = 183580672. Its totient is φ = 91392840.

The previous prime is 137387359. The next prime is 137387389. The reversal of 137387379 is 973783731.

It is a happy number.

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

It is not a de Polignac number, because 137387379 - 211 = 137385331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137387359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48067 + ... + 50844.

It is an arithmetic number, because the mean of its divisors is an integer number (22947584).

Almost surely, 2137387379 is an apocalyptic number.

137387379 is a deficient number, since it is larger than the sum of its proper divisors (46193293).

137387379 is an equidigital number, since it uses as much as digits as its factorization.

137387379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99377.

The product of its digits is 666792, while the sum is 48.

The square root of 137387379 is about 11721.2362402607. The cubic root of 137387379 is about 515.9991023661. Note that the first 3 decimals are identical.

The spelling of 137387379 in words is "one hundred thirty-seven million, three hundred eighty-seven thousand, three hundred seventy-nine".

Divisors: 1 3 463 1389 98911 296733 45795793 137387379