Base | Representation |
---|---|
bin | 1001011010100… |
… | …00110101100000 |
3 | 12111121022101020 |
4 | 10231100311200 |
5 | 130204134204 |
6 | 11500405440 |
7 | 1646161533 |
oct | 455206540 |
9 | 174538336 |
10 | 78974304 |
11 | 40640622 |
12 | 22546880 |
13 | 13491576 |
14 | a6baa1a |
15 | 6deebd9 |
hex | 4b50d60 |
78974304 has 36 divisors (see below), whose sum is σ = 207536364. Its totient is φ = 26295744.
The previous prime is 78974227. The next prime is 78974309. The reversal of 78974304 is 40347987.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78974309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86619 + ... + 87525.
It is an arithmetic number, because the mean of its divisors is an integer number (5764899).
Almost surely, 278974304 is an apocalyptic number.
It is an amenable number.
78974304 is an abundant number, since it is smaller than the sum of its proper divisors (128562060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78974304 is an frugal number, since it uses more digits than its factorization.
78974304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1827 (or 912 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 78974304 is about 8886.7487868174. The cubic root of 78974304 is about 429.0375155330.
Multiplying 78974304 by its product of nonzero digits (169344), we get a square (13373824536576 = 36570242).
The spelling of 78974304 in words is "seventy-eight million, nine hundred seventy-four thousand, three hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •