Base | Representation |
---|---|
bin | 1010011101110… |
… | …11011001101100 |
3 | 20010012200010210 |
4 | 11032323121230 |
5 | 134434040104 |
6 | 12413502420 |
7 | 2114165640 |
oct | 516733154 |
9 | 203180123 |
10 | 87799404 |
11 | 45618aa0 |
12 | 254a1a10 |
13 | 15261414 |
14 | b936c20 |
15 | 7a94989 |
hex | 53bb66c |
87799404 has 48 divisors (see below), whose sum is σ = 255419136. Its totient is φ = 22804800.
The previous prime is 87799357. The next prime is 87799417. The reversal of 87799404 is 40499778.
It is a happy number.
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, 46587 + ... + 48434.
It is an arithmetic number, because the mean of its divisors is an integer number (5321232).
Almost surely, 287799404 is an apocalyptic number.
87799404 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
87799404 is an abundant number, since it is smaller than the sum of its proper divisors (167619732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87799404 is a wasteful number, since it uses less digits than its factorization.
87799404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95046 (or 95044 counting only the distinct ones).
The product of its (nonzero) digits is 508032, while the sum is 48.
The square root of 87799404 is about 9370.1336169769. The cubic root of 87799404 is about 444.4577901455.
The spelling of 87799404 in words is "eighty-seven million, seven hundred ninety-nine thousand, four hundred four".
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