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139103202 = 2373789513
BaseRepresentation
bin10000100101010…
…00101111100010
3100200202011201110
420102220233202
5241102300302
621445244150
73306233460
oct1022505742
9320664643
10139103202
117157a327
123a703656
1322a850b4
141468d830
15c32ab6c
hex84a8be2

139103202 has 32 divisors (see below), whose sum is σ = 326547072. Its totient is φ = 38669184.

The previous prime is 139103191. The next prime is 139103203. The reversal of 139103202 is 202301931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (139103203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43203 + ... + 46310.

It is an arithmetic number, because the mean of its divisors is an integer number (10204596).

Almost surely, 2139103202 is an apocalyptic number.

139103202 is an abundant number, since it is smaller than the sum of its proper divisors (187443870).

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

139103202 is a wasteful number, since it uses less digits than its factorization.

139103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89562.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 139103202 is about 11794.2020501601. The cubic root of 139103202 is about 518.1383157022.

The spelling of 139103202 in words is "one hundred thirty-nine million, one hundred three thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 89513 179026 268539 537078 626591 1253182 1879773 3311981 3759546 6623962 9935943 19871886 23183867 46367734 69551601 139103202