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12423822 = 2317311969
BaseRepresentation
bin101111011001…
…001010001110
3212101012021120
4233121022032
511140030242
61122141410
7210413025
oct57311216
925335246
1012423822
117016224
1241b1866
13275cb98
1419158bc
1511561ec
hexbd928e

12423822 has 16 divisors (see below), whose sum is σ = 24993360. Its totient is φ = 4116992.

The previous prime is 12423811. The next prime is 12423833. The reversal of 12423822 is 22832421.

It is an interprime number because it is at equal distance from previous prime (12423811) and next prime (12423833).

It is a junction number, because it is equal to n+sod(n) for n = 12423792 and 12423801.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4947 + ... + 7022.

It is an arithmetic number, because the mean of its divisors is an integer number (1562085).

Almost surely, 212423822 is an apocalyptic number.

12423822 is an abundant number, since it is smaller than the sum of its proper divisors (12569538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423822 is a wasteful number, since it uses less digits than its factorization.

12423822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12147.

The product of its digits is 1536, while the sum is 24.

The square root of 12423822 is about 3524.7442460411. The cubic root of 12423822 is about 231.6070314443.

The spelling of 12423822 in words is "twelve million, four hundred twenty-three thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 173 346 519 1038 11969 23938 35907 71814 2070637 4141274 6211911 12423822