Base | Representation |
---|---|
bin | 101100000101… |
… | …0110100101101 |
3 | 1121111021002020 |
4 | 1120022310231 |
5 | 21404104010 |
6 | 2143220353 |
7 | 400312566 |
oct | 130126455 |
9 | 47437066 |
10 | 23113005 |
11 | 12057163 |
12 | 78a76b9 |
13 | 4a33346 |
14 | 30d916d |
15 | 2068470 |
hex | 160ad2d |
23113005 has 8 divisors (see below), whose sum is σ = 36980832. Its totient is φ = 12326928.
The previous prime is 23113003. The next prime is 23113007. The reversal of 23113005 is 50031132.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (23113003) and next prime (23113007).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23113005 - 21 = 23113003 is a prime.
It is a super-2 number, since 2×231130052 = 1068422000260050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1540867 = 23113005 / (2 + 3 + 1 + 1 + 3 + 0 + 0 + 5).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23113001) 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, 770419 + ... + 770448.
It is an arithmetic number, because the mean of its divisors is an integer number (4622604).
Almost surely, 223113005 is an apocalyptic number.
It is an amenable number.
23113005 is a deficient number, since it is larger than the sum of its proper divisors (13867827).
23113005 is a wasteful number, since it uses less digits than its factorization.
23113005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1540875.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 23113005 is about 4807.5986729343. The cubic root of 23113005 is about 284.8516926130.
Adding to 23113005 its reverse (50031132), we get a palindrome (73144137).
The spelling of 23113005 in words is "twenty-three million, one hundred thirteen thousand, five".
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