Base | Representation |
---|---|
bin | 101011111001… |
… | …0111010001011 |
3 | 1121022021201022 |
4 | 1113302322023 |
5 | 21342440201 |
6 | 2141143055 |
7 | 366424163 |
oct | 127627213 |
9 | 47267638 |
10 | 23015051 |
11 | 11a9a604 |
12 | 785aa8b |
13 | 49ca897 |
14 | 30b15a3 |
15 | 204941b |
hex | 15f2e8b |
23015051 has 8 divisors (see below), whose sum is σ = 23814144. Its totient is φ = 22219560.
The previous prime is 23015029. The next prime is 23015081. The reversal of 23015051 is 15051032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-23015051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23015011) 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, 20630 + ... + 21716.
It is an arithmetic number, because the mean of its divisors is an integer number (2976768).
Almost surely, 223015051 is an apocalyptic number.
23015051 is a deficient number, since it is larger than the sum of its proper divisors (799093).
23015051 is a wasteful number, since it uses less digits than its factorization.
23015051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1801.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 23015051 is about 4797.4004419060. The cubic root of 23015051 is about 284.4487178528.
Adding to 23015051 its reverse (15051032), we get a palindrome (38066083).
The spelling of 23015051 in words is "twenty-three million, fifteen thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •