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138310600 = 2352691553
BaseRepresentation
bin10000011111001…
…11001111001000
3100122020220110211
420033213033020
5240401414400
621420250504
73266422621
oct1017471710
9318226424
10138310600
117108888a
123a3a0a34
13228683bc
1414524a48
15c220dba
hex83e73c8

138310600 has 24 divisors (see below), whose sum is σ = 321572610. Its totient is φ = 55324160.

The previous prime is 138310537. The next prime is 138310637. The reversal of 138310600 is 6013831.

138310600 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 83283876 + 55026724 = 9126^2 + 7418^2 .

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, 345577 + ... + 345976.

Almost surely, 2138310600 is an apocalyptic number.

138310600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138310600 is an abundant number, since it is smaller than the sum of its proper divisors (183262010).

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

138310600 is a wasteful number, since it uses less digits than its factorization.

138310600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691569 (or 691560 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 138310600 is about 11760.5527081001. The cubic root of 138310600 is about 517.1523332484.

The spelling of 138310600 in words is "one hundred thirty-eight million, three hundred ten thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 691553 1383106 2766212 3457765 5532424 6915530 13831060 17288825 27662120 34577650 69155300 138310600