Base | Representation |
---|---|
bin | 101100010000… |
… | …0011010010101 |
3 | 1121122202101012 |
4 | 1120200122111 |
5 | 21414421204 |
6 | 2145142005 |
7 | 401131436 |
oct | 130403225 |
9 | 47582335 |
10 | 23201429 |
11 | 12107639 |
12 | 792a905 |
13 | 4a64674 |
14 | 311d48d |
15 | 208476e |
hex | 1620695 |
23201429 has 2 divisors, whose sum is σ = 23201430. Its totient is φ = 23201428.
The previous prime is 23201419. The next prime is 23201473. The reversal of 23201429 is 92410232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23020804 + 180625 = 4798^2 + 425^2 .
It is a cyclic number.
It is not a de Polignac number, because 23201429 - 28 = 23201173 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23201419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600714 + 11600715.
It is an arithmetic number, because the mean of its divisors is an integer number (11600715).
Almost surely, 223201429 is an apocalyptic number.
It is an amenable number.
23201429 is a deficient number, since it is larger than the sum of its proper divisors (1).
23201429 is an equidigital number, since it uses as much as digits as its factorization.
23201429 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 23201429 is about 4816.7861692211. The cubic root of 23201429 is about 285.2144851004.
The spelling of 23201429 in words is "twenty-three million, two hundred one thousand, four hundred twenty-nine".
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