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12404022 = 232067337
BaseRepresentation
bin101111010100…
…010100110110
3212100012010020
4233110110312
511133412042
61121510010
7210301221
oct57242466
925305106
1012404022
117002364
1241a2306
132753b77
14190c5b8
1511503ec
hexbd4536

12404022 has 8 divisors (see below), whose sum is σ = 24808056. Its totient is φ = 4134672.

The previous prime is 12404011. The next prime is 12404023. The reversal of 12404022 is 22040421.

It is a sphenic number, since it is the product of 3 distinct primes.

12404022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12403992 and 12404010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404023) 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, 1033663 + ... + 1033674.

It is an arithmetic number, because the mean of its divisors is an integer number (3101007).

Almost surely, 212404022 is an apocalyptic number.

12404022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12404022 is a wasteful number, since it uses less digits than its factorization.

12404022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067342.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12404022 is about 3521.9344116550. The cubic root of 12404022 is about 231.4839276861.

Adding to 12404022 its reverse (22040421), we get a palindrome (34444443).

The spelling of 12404022 in words is "twelve million, four hundred four thousand, twenty-two".

Divisors: 1 2 3 6 2067337 4134674 6202011 12404022