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138548106 = 2329717927
BaseRepresentation
bin10000100001000…
…01001110001010
3100122200222021100
420100201032022
5240432014411
621425322230
73301432224
oct1020411612
9318628240
10138548106
1171230274
123a496376
132291c538
1414587414
15c26b456
hex842138a

138548106 has 24 divisors (see below), whose sum is σ = 300534624. Its totient is φ = 46129320.

The previous prime is 138548077. The next prime is 138548117. The reversal of 138548106 is 601845831.

138548106 is a `hidden beast` number, since 1 + 3 + 8 + 548 + 106 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13515 + ... + 21441.

It is an arithmetic number, because the mean of its divisors is an integer number (12522276).

Almost surely, 2138548106 is an apocalyptic number.

138548106 is an abundant number, since it is smaller than the sum of its proper divisors (161986518).

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

138548106 is a wasteful number, since it uses less digits than its factorization.

138548106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 138548106 is about 11770.6459465910. The cubic root of 138548106 is about 517.4481807666.

The spelling of 138548106 in words is "one hundred thirty-eight million, five hundred forty-eight thousand, one hundred six".

Divisors: 1 2 3 6 9 18 971 1942 2913 5826 7927 8739 15854 17478 23781 47562 71343 142686 7697117 15394234 23091351 46182702 69274053 138548106