Base | Representation |
---|---|
bin | 110101001001… |
… | …001010001100 |
3 | 222012202221110 |
4 | 311021022030 |
5 | 12031244043 |
6 | 1214332020 |
7 | 226261410 |
oct | 65111214 |
9 | 28182843 |
10 | 13931148 |
11 | 7955750 |
12 | 47ba010 |
13 | 2b69caa |
14 | 1bc8d40 |
15 | 1352b33 |
hex | d4928c |
13931148 has 48 divisors (see below), whose sum is σ = 40529664. Its totient is φ = 3618240.
The previous prime is 13931147. The next prime is 13931153. The reversal of 13931148 is 84113931.
It is not an unprimeable number, because it can be changed into a prime (13931147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6615 + ... + 8462.
It is an arithmetic number, because the mean of its divisors is an integer number (844368).
Almost surely, 213931148 is an apocalyptic number.
It is an amenable number.
13931148 is an abundant number, since it is smaller than the sum of its proper divisors (26598516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13931148 is a wasteful number, since it uses less digits than its factorization.
13931148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15102 (or 15100 counting only the distinct ones).
The product of its digits is 2592, while the sum is 30.
The square root of 13931148 is about 3732.4453110528. The cubic root of 13931148 is about 240.6184742819.
The spelling of 13931148 in words is "thirteen million, nine hundred thirty-one thousand, one hundred forty-eight".
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