Base | Representation |
---|---|
bin | 1010011101111… |
… | …00101001000000 |
3 | 20010012221002210 |
4 | 11032330221000 |
5 | 134434220410 |
6 | 12413542120 |
7 | 2114216511 |
oct | 516745100 |
9 | 203187083 |
10 | 87804480 |
11 | 45621895 |
12 | 254a4940 |
13 | 1526381a |
14 | b938a08 |
15 | 7a96220 |
hex | 53bca40 |
87804480 has 56 divisors (see below), whose sum is σ = 278782272. Its totient is φ = 23414272.
The previous prime is 87804469. The next prime is 87804499. The reversal of 87804480 is 8440878.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44772 + ... + 46691.
Almost surely, 287804480 is an apocalyptic number.
87804480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
87804480 is an abundant number, since it is smaller than the sum of its proper divisors (190977792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87804480 is a wasteful number, since it uses less digits than its factorization.
87804480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91483 (or 91473 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 39.
The square root of 87804480 is about 9370.4044736607. The cubic root of 87804480 is about 444.4663552161.
The spelling of 87804480 in words is "eighty-seven million, eight hundred four thousand, four hundred eighty".
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