Base | Representation |
---|---|
bin | 1101101110100… |
… | …11100100111001 |
3 | 22000200210202002 |
4 | 12313103210321 |
5 | 213440131101 |
6 | 15232150345 |
7 | 2565566345 |
oct | 667234471 |
9 | 260623662 |
10 | 115161401 |
11 | 5a007513 |
12 | 326983b5 |
13 | 1ab21754 |
14 | 1141a625 |
15 | a19bd6b |
hex | 6dd3939 |
115161401 has 4 divisors (see below), whose sum is σ = 115204752. Its totient is φ = 115118052.
The previous prime is 115161367. The next prime is 115161457. The reversal of 115161401 is 104161511.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 115161401 - 210 = 115160377 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (115161481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17411 + ... + 23096.
It is an arithmetic number, because the mean of its divisors is an integer number (28801188).
Almost surely, 2115161401 is an apocalyptic number.
It is an amenable number.
115161401 is a deficient number, since it is larger than the sum of its proper divisors (43351).
115161401 is an equidigital number, since it uses as much as digits as its factorization.
115161401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43350.
The product of its (nonzero) digits is 120, while the sum is 20.
The square root of 115161401 is about 10731.3280166063. The cubic root of 115161401 is about 486.5218093820.
The spelling of 115161401 in words is "one hundred fifteen million, one hundred sixty-one thousand, four hundred one".
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