Base | Representation |
---|---|
bin | 110101000111… |
… | …110000101100 |
3 | 222012111002022 |
4 | 311013300230 |
5 | 12031103140 |
6 | 1214245312 |
7 | 226235615 |
oct | 65076054 |
9 | 28174068 |
10 | 13925420 |
11 | 7951413 |
12 | 47b6838 |
13 | 2b674c2 |
14 | 1bc6c0c |
15 | 13510b5 |
hex | d47c2c |
13925420 has 12 divisors (see below), whose sum is σ = 29243424. Its totient is φ = 5570160.
The previous prime is 13925413. The next prime is 13925441. The reversal of 13925420 is 2452931.
13925420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 13925420.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348116 + ... + 348155.
It is an arithmetic number, because the mean of its divisors is an integer number (2436952).
Almost surely, 213925420 is an apocalyptic number.
13925420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13925420 is an abundant number, since it is smaller than the sum of its proper divisors (15318004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13925420 is a wasteful number, since it uses less digits than its factorization.
13925420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696280 (or 696278 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 13925420 is about 3731.6779067867. The cubic root of 13925420 is about 240.5854917988.
The spelling of 13925420 in words is "thirteen million, nine hundred twenty-five thousand, four hundred twenty".
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