Base | Representation |
---|---|
bin | 1001011010100… |
… | …00111110000000 |
3 | 12111121100010101 |
4 | 10231100332000 |
5 | 130204143343 |
6 | 11500412144 |
7 | 1646163241 |
oct | 455207600 |
9 | 174540111 |
10 | 78974848 |
11 | 40640a77 |
12 | 22547054 |
13 | 134918a4 |
14 | a6bacc8 |
15 | 6deee4d |
hex | 4b50f80 |
78974848 has 16 divisors (see below), whose sum is σ = 157332960. Its totient is φ = 39487360.
The previous prime is 78974827. The next prime is 78974851. The reversal of 78974848 is 84847987.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 308368 + ... + 308623.
It is an arithmetic number, because the mean of its divisors is an integer number (9833310).
Almost surely, 278974848 is an apocalyptic number.
It is an amenable number.
78974848 is a deficient number, since it is larger than the sum of its proper divisors (78358112).
78974848 is an equidigital number, since it uses as much as digits as its factorization.
78974848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617005 (or 616993 counting only the distinct ones).
The product of its digits is 3612672, while the sum is 55.
The square root of 78974848 is about 8886.7793941337. The cubic root of 78974848 is about 429.0385006461.
The spelling of 78974848 in words is "seventy-eight million, nine hundred seventy-four thousand, eight hundred forty-eight".
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