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137898850 = 25231432069
BaseRepresentation
bin10000011100000…
…10101101100010
3100121110222122211
420032002231202
5240300230400
621403352334
73263056315
oct1016025542
9317428584
10137898850
11709274a1
123a2226aa
1322752b6b
141445897c
15c18ddba
hex8382b62

137898850 has 48 divisors (see below), whose sum is σ = 271054080. Its totient is φ = 52113600.

The previous prime is 137898847. The next prime is 137898851. The reversal of 137898850 is 58898731.

It is a junction number, because it is equal to n+sod(n) for n = 137898794 and 137898803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137898851) 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 23 ways as a sum of consecutive naturals, for example, 65616 + ... + 67684.

It is an arithmetic number, because the mean of its divisors is an integer number (5646960).

Almost surely, 2137898850 is an apocalyptic number.

137898850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137898850 is a deficient number, since it is larger than the sum of its proper divisors (133155230).

137898850 is a wasteful number, since it uses less digits than its factorization.

137898850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 137898850 is about 11743.0341053750. The cubic root of 137898850 is about 516.6386364722.

The spelling of 137898850 in words is "one hundred thirty-seven million, eight hundred ninety-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 31 43 50 62 86 155 215 310 430 775 1075 1333 1550 2069 2150 2666 4138 6665 10345 13330 20690 33325 51725 64139 66650 88967 103450 128278 177934 320695 444835 641390 889670 1603475 2224175 2757977 3206950 4448350 5515954 13789885 27579770 68949425 137898850