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10512923 = 61172343
BaseRepresentation
bin101000000110…
…101000011011
3201210010000112
4220012220123
510142403143
61013154535
7155233631
oct50065033
921703015
1010512923
115a30573
12362ba4b
132241185
141579351
15dc9e18
hexa06a1b

10512923 has 4 divisors (see below), whose sum is σ = 10685328. Its totient is φ = 10340520.

The previous prime is 10512917. The next prime is 10512959. The reversal of 10512923 is 32921501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32921501 = 179183919.

It is a cyclic number.

It is not a de Polignac number, because 10512923 - 24 = 10512907 is a prime.

It is a super-2 number, since 2×105129232 = 221043100007858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10511923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86111 + ... + 86232.

It is an arithmetic number, because the mean of its divisors is an integer number (2671332).

Almost surely, 210512923 is an apocalyptic number.

10512923 is a deficient number, since it is larger than the sum of its proper divisors (172405).

10512923 is an equidigital number, since it uses as much as digits as its factorization.

10512923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172404.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 10512923 is about 3242.3637982188. The cubic root of 10512923 is about 219.0657559194.

The spelling of 10512923 in words is "ten million, five hundred twelve thousand, nine hundred twenty-three".

Divisors: 1 61 172343 10512923