Base | Representation |
---|---|
bin | 100011110111… |
… | …1100100101010 |
3 | 1022101111110121 |
4 | 1013233210222 |
5 | 14303311312 |
6 | 1511033454 |
7 | 315600100 |
oct | 107574452 |
9 | 38344417 |
10 | 18807082 |
11 | a686048 |
12 | 636b88a |
13 | 3b86468 |
14 | 26d7c70 |
15 | 19b7707 |
hex | 11ef92a |
18807082 has 24 divisors (see below), whose sum is σ = 33587136. Its totient is φ = 7870968.
The previous prime is 18807073. The next prime is 18807091. The reversal of 18807082 is 28070881.
It is an interprime number because it is at equal distance from previous prime (18807073) and next prime (18807091).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983 + ... + 6445.
It is an arithmetic number, because the mean of its divisors is an integer number (1399464).
Almost surely, 218807082 is an apocalyptic number.
18807082 is a deficient number, since it is larger than the sum of its proper divisors (14780054).
18807082 is a wasteful number, since it uses less digits than its factorization.
18807082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4522 (or 4515 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 34.
The square root of 18807082 is about 4336.7132715917. The cubic root of 18807082 is about 265.9339632933.
The spelling of 18807082 in words is "eighteen million, eight hundred seven thousand, eighty-two".
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