Base | Representation |
---|---|
bin | 101100010010… |
… | …0110010101001 |
3 | 1121200122222122 |
4 | 1120210302221 |
5 | 21421004434 |
6 | 2145401025 |
7 | 401234645 |
oct | 130446251 |
9 | 47618878 |
10 | 23219369 |
11 | 1211a068 |
12 | 7939175 |
13 | 4a6c894 |
14 | 3125c25 |
15 | 2089c2e |
hex | 1624ca9 |
23219369 has 2 divisors, whose sum is σ = 23219370. Its totient is φ = 23219368.
The previous prime is 23219347. The next prime is 23219381. The reversal of 23219369 is 96391232.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14440000 + 8779369 = 3800^2 + 2963^2 .
It is a cyclic number.
It is not a de Polignac number, because 23219369 - 28 = 23219113 is a prime.
It is a super-3 number, since 3×232193693 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (23219389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11609684 + 11609685.
It is an arithmetic number, because the mean of its divisors is an integer number (11609685).
Almost surely, 223219369 is an apocalyptic number.
It is an amenable number.
23219369 is a deficient number, since it is larger than the sum of its proper divisors (1).
23219369 is an equidigital number, since it uses as much as digits as its factorization.
23219369 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 17496, while the sum is 35.
The square root of 23219369 is about 4818.6480469111. The cubic root of 23219369 is about 285.2879781257.
The spelling of 23219369 in words is "twenty-three million, two hundred nineteen thousand, three hundred sixty-nine".
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