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10681423 = 17628319
BaseRepresentation
bin101000101111…
…110001001111
3202002200011021
4220233301033
510213301143
61020535011
7156535114
oct50576117
922080137
1010681423
116036125
1236b1467
13229ca8c
1415c090b
15e0eced
hexa2fc4f

10681423 has 4 divisors (see below), whose sum is σ = 11309760. Its totient is φ = 10053088.

The previous prime is 10681421. The next prime is 10681441. The reversal of 10681423 is 32418601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32418601 = 36718831.

It is a cyclic number.

It is not a de Polignac number, because 10681423 - 21 = 10681421 is a prime.

It is a super-2 number, since 2×106814232 = 228185594609858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10681421) 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, 314143 + ... + 314176.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 210681423 is an apocalyptic number.

10681423 is a deficient number, since it is larger than the sum of its proper divisors (628337).

10681423 is an equidigital number, since it uses as much as digits as its factorization.

10681423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628336.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10681423 is about 3268.2446358864. The cubic root of 10681423 is about 220.2299455260.

The spelling of 10681423 in words is "ten million, six hundred eighty-one thousand, four hundred twenty-three".

Divisors: 1 17 628319 10681423