Search a number
-
+
138086160 = 2435575359
BaseRepresentation
bin10000011101100…
…00011100010000
3100121211111121020
420032300130100
5240322224120
621411355440
73264466362
oct1016603420
9317744536
10138086160
1170a451a3
123a2b2b80
13227ba1b4
14144a6d32
15c1c9640
hex83b0710

138086160 has 40 divisors (see below), whose sum is σ = 428067840. Its totient is φ = 36822912.

The previous prime is 138086131. The next prime is 138086173. The reversal of 138086160 is 61680831.

It is a tau number, because it is divible by the number of its divisors (40).

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, 287440 + ... + 287919.

It is an arithmetic number, because the mean of its divisors is an integer number (10701696).

Almost surely, 2138086160 is an apocalyptic number.

138086160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138086160 is an abundant number, since it is smaller than the sum of its proper divisors (289981680).

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

138086160 is a wasteful number, since it uses less digits than its factorization.

138086160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575375 (or 575369 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 138086160 is about 11751.0067653797. The cubic root of 138086160 is about 516.8724498811.

The spelling of 138086160 in words is "one hundred thirty-eight million, eighty-six thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 575359 1150718 1726077 2301436 2876795 3452154 4602872 5753590 6904308 8630385 9205744 11507180 13808616 17260770 23014360 27617232 34521540 46028720 69043080 138086160