Base | Representation |
---|---|
bin | 10000100110111… |
… | …10111111000100 |
3 | 100201011110111021 |
4 | 20103132333010 |
5 | 241131403010 |
6 | 21454120524 |
7 | 3311150305 |
oct | 1023367704 |
9 | 321143437 |
10 | 139325380 |
11 | 71711247 |
12 | 3a7b0144 |
13 | 22b3226c |
14 | 1470a7ac |
15 | c3718da |
hex | 84defc4 |
139325380 has 24 divisors (see below), whose sum is σ = 299721240. Its totient is φ = 54370560.
The previous prime is 139325371. The next prime is 139325413. The reversal of 139325380 is 83523931.
It can be written as a sum of positive squares in 4 ways, for example, as 6061444 + 133263936 = 2462^2 + 11544^2 .
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, 84135 + ... + 85774.
It is an arithmetic number, because the mean of its divisors is an integer number (12488385).
Almost surely, 2139325380 is an apocalyptic number.
139325380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139325380 is an abundant number, since it is smaller than the sum of its proper divisors (160395860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139325380 is a wasteful number, since it uses less digits than its factorization.
139325380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169959 (or 169957 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 34.
The square root of 139325380 is about 11803.6172421847. The cubic root of 139325380 is about 518.4140287397.
The spelling of 139325380 in words is "one hundred thirty-nine million, three hundred twenty-five thousand, three hundred eighty".
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