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139832900 = 22521398329
BaseRepresentation
bin10000101010110…
…10111001000100
3100202010020200022
420111122321010
5241244123100
621513034312
73315363044
oct1025327104
9322106608
10139832900
1171a28589
123a9b5998
1322c7c27c
14147dd724
15c421e85
hex855ae44

139832900 has 18 divisors (see below), whose sum is σ = 303437610. Its totient is φ = 55933120.

The previous prime is 139832899. The next prime is 139832911. The reversal of 139832900 is 9238931.

It can be written as a sum of positive squares in 3 ways, for example, as 41783296 + 98049604 = 6464^2 + 9902^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 699065 + ... + 699264.

It is an arithmetic number, because the mean of its divisors is an integer number (16857645).

Almost surely, 2139832900 is an apocalyptic number.

139832900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139832900 is an abundant number, since it is smaller than the sum of its proper divisors (163604710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139832900 is a wasteful number, since it uses less digits than its factorization.

139832900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398343 (or 1398336 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 139832900 is about 11825.0961941119. The cubic root of 139832900 is about 519.0427408517.

The spelling of 139832900 in words is "one hundred thirty-nine million, eight hundred thirty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1398329 2796658 5593316 6991645 13983290 27966580 34958225 69916450 139832900