Base | Representation |
---|---|
bin | 1001011010010… |
… | …11100000011011 |
3 | 12111120012102202 |
4 | 10231023200123 |
5 | 130202434400 |
6 | 11500120415 |
7 | 1646041100 |
oct | 455134033 |
9 | 174505382 |
10 | 78952475 |
11 | 40626188 |
12 | 2253610b |
13 | 13484654 |
14 | a6b2aa7 |
15 | 6de84d5 |
hex | 4b4b81b |
78952475 has 18 divisors (see below), whose sum is σ = 113886684. Its totient is φ = 54138000.
The previous prime is 78952469. The next prime is 78952477. The reversal of 78952475 is 57425987.
It is a happy number.
It is not a de Polignac number, because 78952475 - 222 = 74758171 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78952477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31001 + ... + 33450.
It is an arithmetic number, because the mean of its divisors is an integer number (6327038).
Almost surely, 278952475 is an apocalyptic number.
78952475 is a deficient number, since it is larger than the sum of its proper divisors (34934209).
78952475 is a wasteful number, since it uses less digits than its factorization.
78952475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64475 (or 64463 counting only the distinct ones).
The product of its digits is 705600, while the sum is 47.
The square root of 78952475 is about 8885.5205249890. The cubic root of 78952475 is about 428.9979823242.
The spelling of 78952475 in words is "seventy-eight million, nine hundred fifty-two thousand, four hundred seventy-five".
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