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12470345 = 52494069
BaseRepresentation
bin101111100100…
…100001001001
3212110120002122
4233210201021
511143022340
61123141025
7210665456
oct57444111
925416078
1012470345
117048178
124214775
132778104
14192882d
151164db5
hexbe4849

12470345 has 4 divisors (see below), whose sum is σ = 14964420. Its totient is φ = 9976272.

The previous prime is 12470329. The next prime is 12470351. The reversal of 12470345 is 54307421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1394761 + 11075584 = 1181^2 + 3328^2 .

It is a cyclic number.

It is not a de Polignac number, because 12470345 - 24 = 12470329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247030 + ... + 1247039.

It is an arithmetic number, because the mean of its divisors is an integer number (3741105).

Almost surely, 212470345 is an apocalyptic number.

It is an amenable number.

12470345 is a deficient number, since it is larger than the sum of its proper divisors (2494075).

12470345 is an equidigital number, since it uses as much as digits as its factorization.

12470345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494074.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12470345 is about 3531.3375652860. The cubic root of 12470345 is about 231.8957679323.

Adding to 12470345 its reverse (54307421), we get a palindrome (66777766).

The spelling of 12470345 in words is "twelve million, four hundred seventy thousand, three hundred forty-five".

Divisors: 1 5 2494069 12470345