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138481104 = 2439373079
BaseRepresentation
bin10000100000100…
…00110111010000
3100122120120100210
420100100313100
5240422343404
621424044120
73301032666
oct1020206720
9318516323
10138481104
11711949a3
123a463640
13228c7ba8
141456ac36
15c256689
hex8410dd0

138481104 has 40 divisors (see below), whose sum is σ = 358240960. Its totient is φ = 46096128.

The previous prime is 138481097. The next prime is 138481111. The reversal of 138481104 is 401184831.

It is an interprime number because it is at equal distance from previous prime (138481097) and next prime (138481111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43437 + ... + 46515.

It is an arithmetic number, because the mean of its divisors is an integer number (8956024).

Almost surely, 2138481104 is an apocalyptic number.

It is an amenable number.

138481104 is an abundant number, since it is smaller than the sum of its proper divisors (219759856).

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

138481104 is a wasteful number, since it uses less digits than its factorization.

138481104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 138481104 is about 11767.7994544435. The cubic root of 138481104 is about 517.3647545009.

The spelling of 138481104 in words is "one hundred thirty-eight million, four hundred eighty-one thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 937 1874 2811 3079 3748 5622 6158 7496 9237 11244 12316 14992 18474 22488 24632 36948 44976 49264 73896 147792 2885023 5770046 8655069 11540092 17310138 23080184 34620276 46160368 69240552 138481104