Base | Representation |
---|---|
bin | 1001011000111… |
… | …10011111101000 |
3 | 12111012211112012 |
4 | 10230132133220 |
5 | 130131034404 |
6 | 11452135052 |
7 | 1644342422 |
oct | 454363750 |
9 | 174184465 |
10 | 78768104 |
11 | 4050a708 |
12 | 22467488 |
13 | 1341b75c |
14 | a665812 |
15 | 6dada6e |
hex | 4b1e7e8 |
78768104 has 8 divisors (see below), whose sum is σ = 147690210. Its totient is φ = 39384048.
The previous prime is 78768101. The next prime is 78768113. The reversal of 78768104 is 40186787.
It can be written as a sum of positive squares in only one way, i.e., 78676900 + 91204 = 8870^2 + 302^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (78768101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922999 + ... + 4923014.
Almost surely, 278768104 is an apocalyptic number.
It is an amenable number.
78768104 is a deficient number, since it is larger than the sum of its proper divisors (68922106).
78768104 is a wasteful number, since it uses less digits than its factorization.
78768104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9846019 (or 9846015 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 41.
The square root of 78768104 is about 8875.1396608729. The cubic root of 78768104 is about 428.6637878830.
The spelling of 78768104 in words is "seventy-eight million, seven hundred sixty-eight thousand, one hundred four".
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