Base | Representation |
---|---|
bin | 101111101101100… |
… | …101011010101000 |
3 | 2001210020112121020 |
4 | 233231211122220 |
5 | 3114410311023 |
6 | 211233012440 |
7 | 25556646456 |
oct | 5755453250 |
9 | 2053215536 |
10 | 800478888 |
11 | 380938700 |
12 | 1a40b4120 |
13 | c9abcb61 |
14 | 784519d6 |
15 | 4a41dde3 |
hex | 2fb656a8 |
800478888 has 96 divisors (see below), whose sum is σ = 2208544800. Its totient is φ = 241591680.
The previous prime is 800478883. The next prime is 800478919. The reversal of 800478888 is 888874008.
It is a self number, because there is not a number n which added to its sum of digits gives 800478888.
It is not an unprimeable number, because it can be changed into a prime (800478883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082823 + ... + 1083561.
It is an arithmetic number, because the mean of its divisors is an integer number (23005675).
Almost surely, 2800478888 is an apocalyptic number.
800478888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 800478888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104272400).
800478888 is an abundant number, since it is smaller than the sum of its proper divisors (1408065912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800478888 is a wasteful number, since it uses less digits than its factorization.
800478888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1143 (or 1128 counting only the distinct ones).
The product of its (nonzero) digits is 917504, while the sum is 51.
The square root of 800478888 is about 28292.7356047449. The cubic root of 800478888 is about 928.5029632068.
The spelling of 800478888 in words is "eight hundred million, four hundred seventy-eight thousand, eight hundred eighty-eight".
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