Base | Representation |
---|---|
bin | 1010101010111… |
… | …01100010010000 |
3 | 20020102200111020 |
4 | 11111131202100 |
5 | 140403341310 |
6 | 12514315440 |
7 | 2134561110 |
oct | 525354220 |
9 | 206380436 |
10 | 89512080 |
11 | 46588829 |
12 | 25b88b80 |
13 | 15710b38 |
14 | bc61040 |
15 | 7cd2170 |
hex | 555d890 |
89512080 has 80 divisors (see below), whose sum is σ = 317134464. Its totient is φ = 20459520.
The previous prime is 89512069. The next prime is 89512081. The reversal of 89512080 is 8021598.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (89512081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24961 + ... + 28320.
Almost surely, 289512080 is an apocalyptic number.
89512080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
89512080 is an abundant number, since it is smaller than the sum of its proper divisors (227622384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89512080 is a wasteful number, since it uses less digits than its factorization.
89512080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53304 (or 53298 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 89512080 is about 9461.0823905090. The cubic root of 89512080 is about 447.3291671307.
The spelling of 89512080 in words is "eighty-nine million, five hundred twelve thousand, eighty".
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