Base | Representation |
---|---|
bin | 10000100101010… |
… | …01011110000000 |
3 | 100200202022210121 |
4 | 20102221132000 |
5 | 241102344201 |
6 | 21445310024 |
7 | 3306245236 |
oct | 1022513600 |
9 | 320668717 |
10 | 139106176 |
11 | 71581590 |
12 | 3a705314 |
13 | 22a86561 |
14 | 14690956 |
15 | c32b9a1 |
hex | 84a9780 |
139106176 has 64 divisors (see below), whose sum is σ = 312168960. Its totient is φ = 61171200.
The previous prime is 139106171. The next prime is 139106213. The reversal of 139106176 is 671601931.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-3 number, since 3×1391061763 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139106171) 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, 42055 + ... + 45241.
It is an arithmetic number, because the mean of its divisors is an integer number (4877640).
Almost surely, 2139106176 is an apocalyptic number.
139106176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 139106176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156084480).
139106176 is an abundant number, since it is smaller than the sum of its proper divisors (173062784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139106176 is a wasteful number, since it uses less digits than its factorization.
139106176 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3243 (or 3231 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 139106176 is about 11794.3281283844. The cubic root of 139106176 is about 518.1420082421.
The spelling of 139106176 in words is "one hundred thirty-nine million, one hundred six thousand, one hundred seventy-six".
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