Base | Representation |
---|---|
bin | 1011110011000… |
… | …10100111001001 |
3 | 20220020012101200 |
4 | 11321202213021 |
5 | 200314020212 |
6 | 13453134413 |
7 | 2311142304 |
oct | 571424711 |
9 | 226205350 |
10 | 98970057 |
11 | 5095873a |
12 | 2918a409 |
13 | 17672a84 |
14 | d203b3b |
15 | 8a4e6dc |
hex | 5e629c9 |
98970057 has 12 divisors (see below), whose sum is σ = 143101764. Its totient is φ = 65913120.
The previous prime is 98970049. The next prime is 98970071. The reversal of 98970057 is 75007989.
It can be written as a sum of positive squares in 2 ways, for example, as 82737216 + 16232841 = 9096^2 + 4029^2 .
It is not a de Polignac number, because 98970057 - 23 = 98970049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 98969994 and 98970021.
It is not an unprimeable number, because it can be changed into a prime (98970007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4807 + ... + 14867.
It is an arithmetic number, because the mean of its divisors is an integer number (11925147).
Almost surely, 298970057 is an apocalyptic number.
It is an amenable number.
98970057 is a deficient number, since it is larger than the sum of its proper divisors (44131707).
98970057 is a wasteful number, since it uses less digits than its factorization.
98970057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11160 (or 11157 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 45.
The square root of 98970057 is about 9948.3695649086. The cubic root of 98970057 is about 462.5598570691.
The spelling of 98970057 in words is "ninety-eight million, nine hundred seventy thousand, fifty-seven".
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