Base | Representation |
---|---|
bin | 11110010001110… |
… | …11010000010101 |
3 | 122200221102220002 |
4 | 33020323100111 |
5 | 1010010414401 |
6 | 41112021045 |
7 | 6202643150 |
oct | 1710732025 |
9 | 580842802 |
10 | 253998101 |
11 | 120414595 |
12 | 71091785 |
13 | 40812446 |
14 | 25a3ac97 |
15 | 17473a6b |
hex | f23b415 |
253998101 has 16 divisors (see below), whose sum is σ = 296763264. Its totient is φ = 212881344.
The previous prime is 253998091. The next prime is 253998109. The reversal of 253998101 is 101899352.
253998101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 253998101 - 210 = 253997077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253998109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127751 + ... + 129723.
It is an arithmetic number, because the mean of its divisors is an integer number (18547704).
Almost surely, 2253998101 is an apocalyptic number.
It is an amenable number.
253998101 is a deficient number, since it is larger than the sum of its proper divisors (42765163).
253998101 is a wasteful number, since it uses less digits than its factorization.
253998101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2380.
The product of its (nonzero) digits is 19440, while the sum is 38.
The square root of 253998101 is about 15937.3178734692. The cubic root of 253998101 is about 633.3009748626.
The spelling of 253998101 in words is "two hundred fifty-three million, nine hundred ninety-eight thousand, one hundred one".
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