Base | Representation |
---|---|
bin | 11110010000111… |
… | …00000000100001 |
3 | 122200200221022210 |
4 | 33020130000201 |
5 | 1004442320423 |
6 | 41105152333 |
7 | 6201601050 |
oct | 1710340041 |
9 | 580627283 |
10 | 253870113 |
11 | 120337412 |
12 | 7102b6a9 |
13 | 40799103 |
14 | 25a06397 |
15 | 1744ab93 |
hex | f21c021 |
253870113 has 32 divisors (see below), whose sum is σ = 405651456. Its totient is φ = 138080448.
The previous prime is 253870103. The next prime is 253870117. The reversal of 253870113 is 311078352.
It is a de Polignac number, because none of the positive numbers 2k-253870113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (253870117) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106531 + ... + 108887.
It is an arithmetic number, because the mean of its divisors is an integer number (12676608).
Almost surely, 2253870113 is an apocalyptic number.
253870113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
253870113 is a deficient number, since it is larger than the sum of its proper divisors (151781343).
253870113 is a wasteful number, since it uses less digits than its factorization.
253870113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2613.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 253870113 is about 15933.3020118242. The cubic root of 253870113 is about 633.1945849027.
The spelling of 253870113 in words is "two hundred fifty-three million, eight hundred seventy thousand, one hundred thirteen".
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