Base | Representation |
---|---|
bin | 10110111011110… |
… | …100101001011110 |
3 | 222211000220011020 |
4 | 112323310221132 |
5 | 1242000442034 |
6 | 102103105010 |
7 | 12351404121 |
oct | 2673645136 |
9 | 884026136 |
10 | 384780894 |
11 | 188220643 |
12 | a8a42166 |
13 | 61943304 |
14 | 391623b8 |
15 | 23ba9249 |
hex | 16ef4a5e |
384780894 has 32 divisors (see below), whose sum is σ = 810960000. Its totient is φ = 121375584.
The previous prime is 384780833. The next prime is 384780931. The reversal of 384780894 is 498087483.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175497 + ... + 177675.
It is an arithmetic number, because the mean of its divisors is an integer number (25342500).
Almost surely, 2384780894 is an apocalyptic number.
384780894 is an abundant number, since it is smaller than the sum of its proper divisors (426179106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
384780894 is a wasteful number, since it uses less digits than its factorization.
384780894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3752.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The square root of 384780894 is about 19615.8327378676. The cubic root of 384780894 is about 727.3406044195.
The spelling of 384780894 in words is "three hundred eighty-four million, seven hundred eighty thousand, eight hundred ninety-four".
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