Search a number
-
+
12304473 = 34101491
BaseRepresentation
bin101110111100…
…000001011001
3212011010120020
4232330001121
511122220343
61115421053
7206405046
oct56740131
925133506
1012304473
116a44595
124154789
13271a76c
1418c41cd
151130b83
hexbbc059

12304473 has 4 divisors (see below), whose sum is σ = 16405968. Its totient is φ = 8202980.

The previous prime is 12304463. The next prime is 12304477. The reversal of 12304473 is 37440321.

12304473 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37440321 = 312480107.

It is a cyclic number.

It is not a de Polignac number, because 12304473 - 25 = 12304441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12304477) 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, 2050743 + ... + 2050748.

It is an arithmetic number, because the mean of its divisors is an integer number (4101492).

Almost surely, 212304473 is an apocalyptic number.

It is an amenable number.

12304473 is a deficient number, since it is larger than the sum of its proper divisors (4101495).

12304473 is an equidigital number, since it uses as much as digits as its factorization.

12304473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101494.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 12304473 is about 3507.7732252812. The cubic root of 12304473 is about 230.8630022931.

Adding to 12304473 its reverse (37440321), we get a palindrome (49744794).

The spelling of 12304473 in words is "twelve million, three hundred four thousand, four hundred seventy-three".

Divisors: 1 3 4101491 12304473