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138486200 = 2352692431
BaseRepresentation
bin10000100000100…
…10000110111000
3100122120211100112
420100102012320
5240423024300
621424123452
73301053566
oct1020220670
9318524315
10138486200
1171198806
123a466588
13228ca2c8
141456ca36
15c257e35
hex84121b8

138486200 has 24 divisors (see below), whose sum is σ = 321980880. Its totient is φ = 55394400.

The previous prime is 138486169. The next prime is 138486203. The reversal of 138486200 is 2684831.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138486203) 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, 346016 + ... + 346415.

It is an arithmetic number, because the mean of its divisors is an integer number (13415870).

Almost surely, 2138486200 is an apocalyptic number.

138486200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138486200 is an abundant number, since it is smaller than the sum of its proper divisors (183494680).

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

138486200 is a wasteful number, since it uses less digits than its factorization.

138486200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692447 (or 692438 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 138486200 is about 11768.0159755160. The cubic root of 138486200 is about 517.3711006337.

The spelling of 138486200 in words is "one hundred thirty-eight million, four hundred eighty-six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 692431 1384862 2769724 3462155 5539448 6924310 13848620 17310775 27697240 34621550 69243100 138486200