Base | Representation |
---|---|
bin | 101100010001… |
… | …1000000010011 |
3 | 1121200021221121 |
4 | 1120203000103 |
5 | 21420241201 |
6 | 2145303111 |
7 | 401204422 |
oct | 130430023 |
9 | 47607847 |
10 | 23212051 |
11 | 12114615 |
12 | 7934a97 |
13 | 4a69455 |
14 | 31232b9 |
15 | 20879a1 |
hex | 1623013 |
23212051 has 2 divisors, whose sum is σ = 23212052. Its totient is φ = 23212050.
The previous prime is 23212009. The next prime is 23212067. The reversal of 23212051 is 15021232.
It is an a-pointer prime, because the next prime (23212067) can be obtained adding 23212051 to its sum of digits (16).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23212051 - 211 = 23210003 is a prime.
It is not a weakly prime, because it can be changed into another prime (23212081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606025 + 11606026.
It is an arithmetic number, because the mean of its divisors is an integer number (11606026).
Almost surely, 223212051 is an apocalyptic number.
23212051 is a deficient number, since it is larger than the sum of its proper divisors (1).
23212051 is an equidigital number, since it uses as much as digits as its factorization.
23212051 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 23212051 is about 4817.8886454546. Note that the first 3 decimals coincide. The cubic root of 23212051 is about 285.2580037712.
Adding to 23212051 its reverse (15021232), we get a palindrome (38233283).
The spelling of 23212051 in words is "twenty-three million, two hundred twelve thousand, fifty-one".
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