Base | Representation |
---|---|
bin | 1011110011000… |
… | …11000100010101 |
3 | 20220020021221212 |
4 | 11321203010111 |
5 | 200314100200 |
6 | 13453151205 |
7 | 2311150613 |
oct | 571430425 |
9 | 226207855 |
10 | 98971925 |
11 | 5095a088 |
12 | 2918b505 |
13 | 17673890 |
14 | d2046b3 |
15 | 8a50035 |
hex | 5e63115 |
98971925 has 24 divisors (see below), whose sum is σ = 136736040. Its totient is φ = 70560000.
The previous prime is 98971889. The next prime is 98971927. The reversal of 98971925 is 52917989.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 53260804 + 45711121 = 7298^2 + 6761^2 .
It is not a de Polignac number, because 98971925 - 26 = 98971861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98971927) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4175 + ... + 14675.
It is an arithmetic number, because the mean of its divisors is an integer number (5697335).
Almost surely, 298971925 is an apocalyptic number.
It is an amenable number.
98971925 is a deficient number, since it is larger than the sum of its proper divisors (37764115).
98971925 is a wasteful number, since it uses less digits than its factorization.
98971925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10553 (or 10548 counting only the distinct ones).
The product of its digits is 408240, while the sum is 50.
The square root of 98971925 is about 9948.4634491966. The cubic root of 98971925 is about 462.5627672300.
The spelling of 98971925 in words is "ninety-eight million, nine hundred seventy-one thousand, nine hundred twenty-five".
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