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139200060 = 22352320001
BaseRepresentation
bin10000100110000…
…00011000111100
3100200221002120210
420103000120330
5241113400220
621451312420
73310116036
oct1023003074
9320832523
10139200060
117163607a
123a74b710
1322aba1cc
14146b6c56
15c3496e0
hex84c063c

139200060 has 24 divisors (see below), whose sum is σ = 389760336. Its totient is φ = 37120000.

The previous prime is 139200037. The next prime is 139200079. The reversal of 139200060 is 60002931.

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, 1159941 + ... + 1160060.

It is an arithmetic number, because the mean of its divisors is an integer number (16240014).

Almost surely, 2139200060 is an apocalyptic number.

139200060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139200060 is an abundant number, since it is smaller than the sum of its proper divisors (250560276).

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

139200060 is a wasteful number, since it uses less digits than its factorization.

139200060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320013 (or 2320011 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 139200060 is about 11798.3075057400. The cubic root of 139200060 is about 518.2585482503.

Adding to 139200060 its reverse (60002931), we get a palindrome (199202991).

The spelling of 139200060 in words is "one hundred thirty-nine million, two hundred thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2320001 4640002 6960003 9280004 11600005 13920006 23200010 27840012 34800015 46400020 69600030 139200060