Base | Representation |
---|---|
bin | 1001011000111… |
… | …10100010110110 |
3 | 12111012211210211 |
4 | 10230132202312 |
5 | 130131041220 |
6 | 11452140034 |
7 | 1644343135 |
oct | 454364266 |
9 | 174184724 |
10 | 78768310 |
11 | 4050a885 |
12 | 2246761a |
13 | 1341b88a |
14 | a66591c |
15 | 6dadb5a |
hex | 4b1e8b6 |
78768310 has 16 divisors (see below), whose sum is σ = 150123456. Its totient is φ = 29653888.
The previous prime is 78768289. The next prime is 78768317. The reversal of 78768310 is 1386787.
It is a super-3 number, since 3×787683103 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78768317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231502 + ... + 231841.
It is an arithmetic number, because the mean of its divisors is an integer number (9382716).
Almost surely, 278768310 is an apocalyptic number.
78768310 is a deficient number, since it is larger than the sum of its proper divisors (71355146).
78768310 is a wasteful number, since it uses less digits than its factorization.
78768310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463367.
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 78768310 is about 8875.1512663165. The cubic root of 78768310 is about 428.6641615735.
The spelling of 78768310 in words is "seventy-eight million, seven hundred sixty-eight thousand, three hundred ten".
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