Base | Representation |
---|---|
bin | 11111001111100111011001 |
3 | 120102010011002 |
4 | 133033213121 |
5 | 4044043200 |
6 | 451314345 |
7 | 126421535 |
oct | 37174731 |
9 | 16363132 |
10 | 8190425 |
11 | 4694651 |
12 | 28ab9b5 |
13 | 190a009 |
14 | 1132bc5 |
15 | abbbd5 |
hex | 7cf9d9 |
8190425 has 24 divisors (see below), whose sum is σ = 10966560. Its totient is φ = 6048000.
The previous prime is 8190407. The next prime is 8190449. The reversal of 8190425 is 5240918.
It is not a de Polignac number, because 8190425 - 212 = 8186329 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20225 + ... + 20625.
It is an arithmetic number, because the mean of its divisors is an integer number (456940).
Almost surely, 28190425 is an apocalyptic number.
It is an amenable number.
8190425 is a deficient number, since it is larger than the sum of its proper divisors (2776135).
8190425 is a wasteful number, since it uses less digits than its factorization.
8190425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473 (or 468 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 8190425 is about 2861.8918567968. The cubic root of 8190425 is about 201.5744480428.
The spelling of 8190425 in words is "eight million, one hundred ninety thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.105 sec. • engine limits •