Base | Representation |
---|---|
bin | 11100100010100… |
… | …000101100101010 |
3 | 1020100222000022000 |
4 | 130202200230222 |
5 | 1440033340444 |
6 | 115302311430 |
7 | 14602544145 |
oct | 3442405452 |
9 | 1210860260 |
10 | 478808874 |
11 | 226303215 |
12 | 114428576 |
13 | 7827577b |
14 | 4783b05c |
15 | 2c07e469 |
hex | 1c8a0b2a |
478808874 has 32 divisors (see below), whose sum is σ = 1065267840. Its totient is φ = 159415776.
The previous prime is 478808851. The next prime is 478808903.
It is a happy number.
478808874 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×4788088742 = 458515875642295752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 478808874.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45867 + ... + 55329.
It is an arithmetic number, because the mean of its divisors is an integer number (33289620).
Almost surely, 2478808874 is an apocalyptic number.
478808874 is an abundant number, since it is smaller than the sum of its proper divisors (586458966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
478808874 is a wasteful number, since it uses less digits than its factorization.
478808874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10411 (or 10405 counting only the distinct ones).
The product of its (nonzero) digits is 3211264, while the sum is 54.
The square root of 478808874 is about 21881.7018076748. The cubic root of 478808874 is about 782.3253389086.
The spelling of 478808874 in words is "four hundred seventy-eight million, eight hundred eight thousand, eight hundred seventy-four".
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