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10512893 = 23943987
BaseRepresentation
bin101000000110…
…100111111101
3201210002222102
4220012213331
510142403033
61013154445
7155233556
oct50064775
921702872
1010512893
115a30546
12362ba25
132241161
14157932d
15dc9de8
hexa069fd

10512893 has 4 divisors (see below), whose sum is σ = 10557120. Its totient is φ = 10468668.

The previous prime is 10512883. The next prime is 10512907. The reversal of 10512893 is 39821501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39821501 = 101939079.

It is a cyclic number.

It is not a de Polignac number, because 10512893 - 26 = 10512829 is a prime.

It is a super-2 number, since 2×105128932 = 221041838458898, 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 (10512883) 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, 21755 + ... + 22232.

It is an arithmetic number, because the mean of its divisors is an integer number (2639280).

Almost surely, 210512893 is an apocalyptic number.

It is an amenable number.

10512893 is a deficient number, since it is larger than the sum of its proper divisors (44227).

10512893 is an equidigital number, since it uses as much as digits as its factorization.

10512893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44226.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 10512893 is about 3242.3591719611. The cubic root of 10512893 is about 219.0655475416.

The spelling of 10512893 in words is "ten million, five hundred twelve thousand, eight hundred ninety-three".

Divisors: 1 239 43987 10512893