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137902 = 2192191
BaseRepresentation
bin100001101010101110
321000011111
4201222232
513403102
62542234
71113022
oct415256
9230144
10137902
1194676
126797a
134a9cb
1438382
152acd7
hex21aae

137902 has 12 divisors (see below), whose sum is σ = 219456. Its totient is φ = 64980.

The previous prime is 137873. The next prime is 137909. The reversal of 137902 is 209731.

137902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (18288).

2137902 is an apocalyptic number.

137902 is a deficient number, since it is larger than the sum of its proper divisors (81554).

137902 is a wasteful number, since it uses less digits than its factorization.

137902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 137902 is about 371.3515854281. The cubic root of 137902 is about 51.6642570272.

The spelling of 137902 in words is "one hundred thirty-seven thousand, nine hundred two".

Divisors: 1 2 19 38 191 361 382 722 3629 7258 68951 137902