Base | Representation |
---|---|
bin | 100100001100… |
… | …0010101100000 |
3 | 1022200222111112 |
4 | 1020120111200 |
5 | 14324132143 |
6 | 1514402452 |
7 | 320163632 |
oct | 110302540 |
9 | 38628445 |
10 | 18974048 |
11 | a78a535 |
12 | 6430428 |
13 | 3c14462 |
14 | 273ca52 |
15 | 19ebe18 |
hex | 1218560 |
18974048 has 12 divisors (see below), whose sum is σ = 37355220. Its totient is φ = 9487008.
The previous prime is 18974029. The next prime is 18974063. The reversal of 18974048 is 84047981.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18973996 and 18974014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 296438 + ... + 296501.
It is an arithmetic number, because the mean of its divisors is an integer number (3112935).
Almost surely, 218974048 is an apocalyptic number.
It is an amenable number.
18974048 is a deficient number, since it is larger than the sum of its proper divisors (18381172).
18974048 is an equidigital number, since it uses as much as digits as its factorization.
18974048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592949 (or 592941 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 41.
The square root of 18974048 is about 4355.9210277506. The cubic root of 18974048 is about 266.7186176562.
The spelling of 18974048 in words is "eighteen million, nine hundred seventy-four thousand, forty-eight".
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