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138667160 = 2353466679
BaseRepresentation
bin10000100001111…
…10010010011000
3100122221000120202
420100332102120
5240444322120
621432041332
73302436302
oct1020762230
9318830522
10138667160
1171301765
123a533248
1322961798
14145b8972
15c291875
hex843e498

138667160 has 16 divisors (see below), whose sum is σ = 312001200. Its totient is φ = 55466848.

The previous prime is 138667141. The next prime is 138667163. The reversal of 138667160 is 61766831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138667163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733300 + ... + 1733379.

It is an arithmetic number, because the mean of its divisors is an integer number (19500075).

Almost surely, 2138667160 is an apocalyptic number.

138667160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138667160 is an abundant number, since it is smaller than the sum of its proper divisors (173334040).

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

138667160 is a wasteful number, since it uses less digits than its factorization.

138667160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466690 (or 3466686 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 138667160 is about 11775.7021022103. The cubic root of 138667160 is about 517.5963522585.

The spelling of 138667160 in words is "one hundred thirty-eight million, six hundred sixty-seven thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3466679 6933358 13866716 17333395 27733432 34666790 69333580 138667160