Base | Representation |
---|---|
bin | 110010010110… |
… | …011010110001 |
3 | 220211120122210 |
4 | 302112122301 |
5 | 11334332100 |
6 | 1150522333 |
7 | 220122060 |
oct | 62263261 |
9 | 26746583 |
10 | 13199025 |
11 | 74a5694 |
12 | 45063a9 |
13 | 2971998 |
14 | 1a781d7 |
15 | 125ac50 |
hex | c966b1 |
13199025 has 48 divisors (see below), whose sum is σ = 25776128. Its totient is φ = 5832000.
The previous prime is 13199009. The next prime is 13199027. The reversal of 13199025 is 52099131.
13199025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13199025 - 24 = 13199009 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13198983 and 13199001.
It is not an unprimeable number, because it can be changed into a prime (13199027) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15870 + ... + 16680.
Almost surely, 213199025 is an apocalyptic number.
13199025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13199025 is a deficient number, since it is larger than the sum of its proper divisors (12577103).
13199025 is a wasteful number, since it uses less digits than its factorization.
13199025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862 (or 857 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 13199025 is about 3633.0462424803. The cubic root of 13199025 is about 236.3273311416.
The spelling of 13199025 in words is "thirteen million, one hundred ninety-nine thousand, twenty-five".
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