Base | Representation |
---|---|
bin | 1011110100110… |
… | …11000000000001 |
3 | 20220122221020001 |
4 | 11322123000001 |
5 | 200343413100 |
6 | 13502120001 |
7 | 2313123550 |
oct | 572330001 |
9 | 226587201 |
10 | 99201025 |
11 | 50aa6220 |
12 | 29280001 |
13 | 17723c41 |
14 | d263d97 |
15 | 8a97d6a |
hex | 5e9b001 |
99201025 has 48 divisors (see below), whose sum is σ = 158739840. Its totient is φ = 59673600.
The previous prime is 99200999. The next prime is 99201041. The reversal of 99201025 is 52010299.
It is not a de Polignac number, because 99201025 - 25 = 99200993 is a prime.
It is a super-2 number, since 2×992010252 = 19681686722101250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 99200984 and 99201002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54937 + ... + 56713.
It is an arithmetic number, because the mean of its divisors is an integer number (3307080).
Almost surely, 299201025 is an apocalyptic number.
It is an amenable number.
99201025 is a deficient number, since it is larger than the sum of its proper divisors (59538815).
99201025 is a wasteful number, since it uses less digits than its factorization.
99201025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1834 (or 1829 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 99201025 is about 9959.9711344963. The cubic root of 99201025 is about 462.9194052907.
The spelling of 99201025 in words is "ninety-nine million, two hundred one thousand, twenty-five".
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