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139269710 = 2561228311
BaseRepresentation
bin10000100110100…
…01011001001110
3100201001122010102
420103101121032
5241123112320
621453011102
73310526066
oct1023213116
9321048112
10139269710
1171683438
123a783a92
1322b12b18
14146d43a6
15c360175
hex84d164e

139269710 has 16 divisors (see below), whose sum is σ = 254796192. Its totient is φ = 54794400.

The previous prime is 139269709. The next prime is 139269719. The reversal of 139269710 is 17962931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139269719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113546 + ... + 114765.

It is an arithmetic number, because the mean of its divisors is an integer number (15924762).

Almost surely, 2139269710 is an apocalyptic number.

139269710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139269710 is a deficient number, since it is larger than the sum of its proper divisors (115526482).

139269710 is a wasteful number, since it uses less digits than its factorization.

139269710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228379.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 139269710 is about 11801.2588311586. The cubic root of 139269710 is about 518.3449722771.

The spelling of 139269710 in words is "one hundred thirty-nine million, two hundred sixty-nine thousand, seven hundred ten".

Divisors: 1 2 5 10 61 122 305 610 228311 456622 1141555 2283110 13926971 27853942 69634855 139269710