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139106270 = 2517977713
BaseRepresentation
bin10000100101010…
…01011111011110
3100200202022221002
420102221133132
5241102400040
621445310302
73306245432
oct1022513736
9320668832
10139106270
1171581666
123a705392
1322a86604
14146909c2
15c32ba15
hex84a97de

139106270 has 16 divisors (see below), whose sum is σ = 251793360. Its totient is φ = 55330944.

The previous prime is 139106263. The next prime is 139106287. The reversal of 139106270 is 72601931.

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, 37067 + ... + 40646.

It is an arithmetic number, because the mean of its divisors is an integer number (15737085).

Almost surely, 2139106270 is an apocalyptic number.

139106270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139106270 is a deficient number, since it is larger than the sum of its proper divisors (112687090).

139106270 is a wasteful number, since it uses less digits than its factorization.

139106270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77899.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 139106270 is about 11794.3321133500. The cubic root of 139106270 is about 518.1421249523.

The spelling of 139106270 in words is "one hundred thirty-nine million, one hundred six thousand, two hundred seventy".

Divisors: 1 2 5 10 179 358 895 1790 77713 155426 388565 777130 13910627 27821254 69553135 139106270