Base | Representation |
---|---|
bin | 110010011001… |
… | …001100011110 |
3 | 220212011021000 |
4 | 302121030132 |
5 | 11340213043 |
6 | 1151051130 |
7 | 220200165 |
oct | 62311436 |
9 | 26764230 |
10 | 13210398 |
11 | 7503193 |
12 | 4510aa6 |
13 | 2976c06 |
14 | 1a7c3dc |
15 | 125e2d3 |
hex | c9931e |
13210398 has 16 divisors (see below), whose sum is σ = 29356560. Its totient is φ = 4403448.
The previous prime is 13210391. The next prime is 13210403. The reversal of 13210398 is 89301231.
13210398 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13210391) 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, 122265 + ... + 122372.
It is an arithmetic number, because the mean of its divisors is an integer number (1834785).
Almost surely, 213210398 is an apocalyptic number.
13210398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13210398 is an abundant number, since it is smaller than the sum of its proper divisors (16146162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13210398 is a wasteful number, since it uses less digits than its factorization.
13210398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244648 (or 244642 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 13210398 is about 3634.6111208766. The cubic root of 13210398 is about 236.3951891623.
The spelling of 13210398 in words is "thirteen million, two hundred ten thousand, three hundred ninety-eight".
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