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139677080 = 2353491927
BaseRepresentation
bin10000101001101…
…00110110011000
3100201211022221012
420110310312120
5241224131310
621505433052
73314143544
oct1024646630
9321738835
10139677080
1171931504
123a93b788
1322c2637a
141479ca24
15c3e0c05
hex8534d98

139677080 has 16 divisors (see below), whose sum is σ = 314273520. Its totient is φ = 55870816.

The previous prime is 139677073. The next prime is 139677089. The reversal of 139677080 is 80776931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139677089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745924 + ... + 1746003.

It is an arithmetic number, because the mean of its divisors is an integer number (19642095).

Almost surely, 2139677080 is an apocalyptic number.

139677080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139677080 is an abundant number, since it is smaller than the sum of its proper divisors (174596440).

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

139677080 is a wasteful number, since it uses less digits than its factorization.

139677080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491938 (or 3491934 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 139677080 is about 11818.5058277263. The cubic root of 139677080 is about 518.8498742235.

The spelling of 139677080 in words is "one hundred thirty-nine million, six hundred seventy-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 3491927 6983854 13967708 17459635 27935416 34919270 69838540 139677080