Base | Representation |
---|---|
bin | 10000100111101… |
… | …11010100111000 |
3 | 100201100112020212 |
4 | 20103313110320 |
5 | 241143100310 |
6 | 21500210252 |
7 | 3312044054 |
oct | 1023672470 |
9 | 321315225 |
10 | 139425080 |
11 | 7177a143 |
12 | 3a839988 |
13 | 22b68762 |
14 | 14734c64 |
15 | c391205 |
hex | 84f7538 |
139425080 has 32 divisors (see below), whose sum is σ = 327348000. Its totient is φ = 53344896.
The previous prime is 139425079. The next prime is 139425089. The reversal of 139425080 is 80524931.
139425080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139425089) 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, 74855 + ... + 76694.
It is an arithmetic number, because the mean of its divisors is an integer number (10229625).
Almost surely, 2139425080 is an apocalyptic number.
139425080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139425080 is an abundant number, since it is smaller than the sum of its proper divisors (187922920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139425080 is a wasteful number, since it uses less digits than its factorization.
139425080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151583 (or 151579 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 139425080 is about 11807.8397685605. The cubic root of 139425080 is about 518.5376567413.
The spelling of 139425080 in words is "one hundred thirty-nine million, four hundred twenty-five thousand, eighty".
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