Base | Representation |
---|---|
bin | 101000010101… |
… | …001001111001 |
3 | 201220010121201 |
4 | 220111021321 |
5 | 10201304114 |
6 | 1014334201 |
7 | 155602231 |
oct | 50251171 |
9 | 21803551 |
10 | 10572409 |
11 | 5a71231 |
12 | 365a361 |
13 | 2262283 |
14 | 1592cc1 |
15 | ddc874 |
hex | a15279 |
10572409 has 2 divisors, whose sum is σ = 10572410. Its totient is φ = 10572408.
The previous prime is 10572407. The next prime is 10572421. The reversal of 10572409 is 90427501.
It is a happy number.
10572409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7840000 + 2732409 = 2800^2 + 1653^2 .
It is an emirp because it is prime and its reverse (90427501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10572409 - 21 = 10572407 is a prime.
It is a super-2 number, since 2×105724092 = 223551664126562, which contains 22 as substring.
Together with 10572407, it forms a pair of twin primes.
It is a nialpdrome in base 15.
It is not a weakly prime, because it can be changed into another prime (10572407) 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, 5286204 + 5286205.
It is an arithmetic number, because the mean of its divisors is an integer number (5286205).
Almost surely, 210572409 is an apocalyptic number.
It is an amenable number.
10572409 is a deficient number, since it is larger than the sum of its proper divisors (1).
10572409 is an equidigital number, since it uses as much as digits as its factorization.
10572409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 10572409 is about 3251.5241041702. The cubic root of 10572409 is about 219.4781640197.
The spelling of 10572409 in words is "ten million, five hundred seventy-two thousand, four hundred nine".
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