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137889575 = 5238314401
BaseRepresentation
bin10000011100000…
…00011100100111
3100121110111221022
420032000130213
5240244431300
621403241355
73263020265
oct1016003447
9317414838
10137889575
117092052a
123a21925b
132274b885
1414455435
15c18b285
hex8380727

137889575 has 12 divisors (see below), whose sum is σ = 171441408. Its totient is φ = 110016000.

The previous prime is 137889571. The next prime is 137889589. The reversal of 137889575 is 575988731.

It is a happy number.

It is not a de Polignac number, because 137889575 - 22 = 137889571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137889571) 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 11 ways as a sum of consecutive naturals, for example, 2375 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (14286784).

Almost surely, 2137889575 is an apocalyptic number.

137889575 is a deficient number, since it is larger than the sum of its proper divisors (33551833).

137889575 is a wasteful number, since it uses less digits than its factorization.

137889575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14794 (or 14789 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 53.

The square root of 137889575 is about 11742.6391837610. The cubic root of 137889575 is about 516.6270532700.

It can be divided in two parts, 13788 and 9575, that multiplied together give a square (132020100 = 114902).

The spelling of 137889575 in words is "one hundred thirty-seven million, eight hundred eighty-nine thousand, five hundred seventy-five".

Divisors: 1 5 25 383 1915 9575 14401 72005 360025 5515583 27577915 137889575