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138864300 = 22352462881
BaseRepresentation
bin10000100011011…
…10011010101100
3100200022001000020
420101232122230
5241022124200
621440202140
73304220121
oct1021563254
9320261006
10138864300
1171426893
123a609350
1322a00433
141462a748
15c2ceea0
hex846e6ac

138864300 has 36 divisors (see below), whose sum is σ = 401781576. Its totient is φ = 37030400.

The previous prime is 138864289. The next prime is 138864307. The reversal of 138864300 is 3468831.

It is not an unprimeable number, because it can be changed into a prime (138864307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231141 + ... + 231740.

Almost surely, 2138864300 is an apocalyptic number.

138864300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138864300 is an abundant number, since it is smaller than the sum of its proper divisors (262917276).

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

138864300 is a wasteful number, since it uses less digits than its factorization.

138864300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462898 (or 462891 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 138864300 is about 11784.0697553944. The cubic root of 138864300 is about 517.8415211640.

The spelling of 138864300 in words is "one hundred thirty-eight million, eight hundred sixty-four thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 462881 925762 1388643 1851524 2314405 2777286 4628810 5554572 6943215 9257620 11572025 13886430 23144050 27772860 34716075 46288100 69432150 138864300