Base | Representation |
---|---|
bin | 1001010100101… |
… | …00111100011000 |
3 | 12110011012200020 |
4 | 10222110330120 |
5 | 130010022241 |
6 | 11432110440 |
7 | 1636505013 |
oct | 452247430 |
9 | 173135606 |
10 | 78204696 |
11 | 40165389 |
12 | 22235420 |
13 | 1328218b |
14 | a55a37a |
15 | 6cebb66 |
hex | 4a94f18 |
78204696 has 16 divisors (see below), whose sum is σ = 195511800. Its totient is φ = 26068224.
The previous prime is 78204691. The next prime is 78204697. The reversal of 78204696 is 69640287.
It is a super-2 number, since 2×782046962 = 12231948952904832, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78204691) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629241 + ... + 1629288.
Almost surely, 278204696 is an apocalyptic number.
It is an amenable number.
78204696 is an abundant number, since it is smaller than the sum of its proper divisors (117307104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78204696 is a wasteful number, since it uses less digits than its factorization.
78204696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3258538 (or 3258534 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 78204696 is about 8843.3419022449. The cubic root of 78204696 is about 427.6393007276.
The spelling of 78204696 in words is "seventy-eight million, two hundred four thousand, six hundred ninety-six".
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