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10642423 = 11967493
BaseRepresentation
bin101000100110…
…001111110111
3202000200122211
4220212033313
510211024143
61020034251
7156313321
oct50461767
922020584
1010642423
1160098a0
123692987
1322880bc
1415b0611
15e0349d
hexa263f7

10642423 has 4 divisors (see below), whose sum is σ = 11609928. Its totient is φ = 9674920.

The previous prime is 10642417. The next prime is 10642439. The reversal of 10642423 is 32424601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32424601 = 112947691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10642423 is a prime.

It is a super-2 number, since 2×106424232 = 226522334621858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10642394 and 10642403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642483) 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, 483736 + ... + 483757.

It is an arithmetic number, because the mean of its divisors is an integer number (2902482).

Almost surely, 210642423 is an apocalyptic number.

10642423 is a deficient number, since it is larger than the sum of its proper divisors (967505).

10642423 is an equidigital number, since it uses as much as digits as its factorization.

10642423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967504.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 10642423 is about 3262.2726740725. The cubic root of 10642423 is about 219.9615842014.

The spelling of 10642423 in words is "ten million, six hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 11 967493 10642423