Base | Representation |
---|---|
bin | 1011110010011… |
… | …00101111101001 |
3 | 20220001122112100 |
4 | 11321030233221 |
5 | 200303133424 |
6 | 13451204013 |
7 | 2310320211 |
oct | 571145751 |
9 | 226048470 |
10 | 98880489 |
11 | 508a7414 |
12 | 29146609 |
13 | 17641086 |
14 | d1bd241 |
15 | 8a32dc9 |
hex | 5e4cbe9 |
98880489 has 6 divisors (see below), whose sum is σ = 142827386. Its totient is φ = 65920320.
The previous prime is 98880487. The next prime is 98880491. The reversal of 98880489 is 98408889.
98880489 is a `hidden beast` number, since 9 + 88 + 80 + 489 = 666.
It is an interprime number because it is at equal distance from previous prime (98880487) and next prime (98880491).
It can be written as a sum of positive squares in only one way, i.e., 98010000 + 870489 = 9900^2 + 933^2 .
It is not a de Polignac number, because 98880489 - 21 = 98880487 is a prime.
It is a super-2 number, since 2×988804892 = 19554702209758242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (98880487) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5493352 + ... + 5493369.
Almost surely, 298880489 is an apocalyptic number.
It is an amenable number.
98880489 is a deficient number, since it is larger than the sum of its proper divisors (43946897).
98880489 is a wasteful number, since it uses less digits than its factorization.
98880489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10986727 (or 10986724 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 54.
The square root of 98880489 is about 9943.8669037754. The cubic root of 98880489 is about 462.4202759101.
The spelling of 98880489 in words is "ninety-eight million, eight hundred eighty thousand, four hundred eighty-nine".
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