Base | Representation |
---|---|
bin | 101011111001… |
… | …0011101011011 |
3 | 1121022012012011 |
4 | 1113302131123 |
5 | 21342410321 |
6 | 2141130351 |
7 | 366415624 |
oct | 127623533 |
9 | 47265164 |
10 | 23013211 |
11 | 11a99191 |
12 | 78599b7 |
13 | 49c9ab0 |
14 | 30b0a4b |
15 | 2048ae1 |
hex | 15f275b |
23013211 has 8 divisors (see below), whose sum is σ = 25638480. Its totient is φ = 20510112.
The previous prime is 23013209. The next prime is 23013233. The reversal of 23013211 is 11231032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23013211 - 21 = 23013209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23013191 and 23013200.
It is not an unprimeable number, because it can be changed into a prime (23013251) 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, 30145 + ... + 30898.
It is an arithmetic number, because the mean of its divisors is an integer number (3204810).
Almost surely, 223013211 is an apocalyptic number.
23013211 is a deficient number, since it is larger than the sum of its proper divisors (2625269).
23013211 is a wasteful number, since it uses less digits than its factorization.
23013211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61085.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 23013211 is about 4797.2086675482. The cubic root of 23013211 is about 284.4411373121.
Adding to 23013211 its reverse (11231032), we get a palindrome (34244243).
The spelling of 23013211 in words is "twenty-three million, thirteen thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •