Base | Representation |
---|---|
bin | 10010011000011… |
… | …100100000000000 |
3 | 210111022020122010 |
4 | 102120130200000 |
5 | 1112422214310 |
6 | 50334012520 |
7 | 10433224524 |
oct | 2230344000 |
9 | 714266563 |
10 | 308398080 |
11 | 1490a0051 |
12 | 87347140 |
13 | 4bb7b493 |
14 | 2cd5bd84 |
15 | 1c11c320 |
hex | 1261c800 |
308398080 has 96 divisors (see below), whose sum is σ = 986731200. Its totient is φ = 82231296.
The previous prime is 308398039. The next prime is 308398091. The reversal of 308398080 is 80893803.
It is a happy number.
308398080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25701 + ... + 35739.
It is an arithmetic number, because the mean of its divisors is an integer number (10278450).
Almost surely, 2308398080 is an apocalyptic number.
308398080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 308398080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493365600).
308398080 is an abundant number, since it is smaller than the sum of its proper divisors (678333120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308398080 is a wasteful number, since it uses less digits than its factorization.
308398080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10069 (or 10049 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 308398080 is about 17561.2664691360. The cubic root of 308398080 is about 675.6221643566.
The spelling of 308398080 in words is "three hundred eight million, three hundred ninety-eight thousand, eighty".
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