Base | Representation |
---|---|
bin | 1010101001010… |
… | …00110000001001 |
3 | 20020000200220212 |
4 | 11110220300021 |
5 | 140324432011 |
6 | 12505530505 |
7 | 2133000563 |
oct | 524506011 |
9 | 206020825 |
10 | 89295881 |
11 | 46450354 |
12 | 25aa3a35 |
13 | 156665cc |
14 | bc06333 |
15 | 7c8d08b |
hex | 5528c09 |
89295881 has 2 divisors, whose sum is σ = 89295882. Its totient is φ = 89295880.
The previous prime is 89295847. The next prime is 89295923. The reversal of 89295881 is 18859298.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47045881 + 42250000 = 6859^2 + 6500^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-89295881 is a prime.
It is a super-2 number, since 2×892958812 = 15947508727132322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (89295181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44647940 + 44647941.
It is an arithmetic number, because the mean of its divisors is an integer number (44647941).
Almost surely, 289295881 is an apocalyptic number.
It is an amenable number.
89295881 is a deficient number, since it is larger than the sum of its proper divisors (1).
89295881 is an equidigital number, since it uses as much as digits as its factorization.
89295881 is an evil number, because the sum of its binary digits is even.
The product of its digits is 414720, while the sum is 50.
The square root of 89295881 is about 9449.6497818702. The cubic root of 89295881 is about 446.9687312865.
The spelling of 89295881 in words is "eighty-nine million, two hundred ninety-five thousand, eight hundred eighty-one".
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