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10857269 = 44924181
BaseRepresentation
bin101001011010…
…101100110101
3202102121101002
4221122230311
510234413034
61024413045
7161166563
oct51325465
922377332
1010857269
116146255
123777185
132331b27
141628a33
15e46e7e
hexa5ab35

10857269 has 4 divisors (see below), whose sum is σ = 10881900. Its totient is φ = 10832640.

The previous prime is 10857263. The next prime is 10857289. The reversal of 10857269 is 96275801.

10857269 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7360369 + 3496900 = 2713^2 + 1870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10857269 is a prime.

It is a super-2 number, since 2×108572692 = 235760580276722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11642 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (2720475).

Almost surely, 210857269 is an apocalyptic number.

It is an amenable number.

10857269 is a deficient number, since it is larger than the sum of its proper divisors (24631).

10857269 is an equidigital number, since it uses as much as digits as its factorization.

10857269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24630.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 10857269 is about 3295.0370255886. The cubic root of 10857269 is about 221.4319065352.

The spelling of 10857269 in words is "ten million, eight hundred fifty-seven thousand, two hundred sixty-nine".

Divisors: 1 449 24181 10857269