Base | Representation |
---|---|
bin | 1101100100100… |
… | …01110000011111 |
3 | 21221012211112222 |
4 | 12302101300133 |
5 | 213120440411 |
6 | 15144015555 |
7 | 2551436315 |
oct | 662216037 |
9 | 257184488 |
10 | 113843231 |
11 | 59297117 |
12 | 321615bb |
13 | 1a77c778 |
14 | 111960b5 |
15 | 9edb4db |
hex | 6c91c1f |
113843231 has 8 divisors (see below), whose sum is σ = 122622720. Its totient is φ = 105342552.
The previous prime is 113843209. The next prime is 113843243. The reversal of 113843231 is 132348311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-113843231 is a prime.
It is a super-2 number, since 2×1138432312 = 25920562489038722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 113843231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113843201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68855 + ... + 70488.
It is an arithmetic number, because the mean of its divisors is an integer number (15327840).
Almost surely, 2113843231 is an apocalyptic number.
113843231 is a deficient number, since it is larger than the sum of its proper divisors (8779489).
113843231 is a wasteful number, since it uses less digits than its factorization.
113843231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139405.
The product of its digits is 1728, while the sum is 26.
The square root of 113843231 is about 10669.7343453340. The cubic root of 113843231 is about 484.6583926706.
The spelling of 113843231 in words is "one hundred thirteen million, eight hundred forty-three thousand, two hundred thirty-one".
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