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12056461 = 73317521
BaseRepresentation
bin101101111111…
…011110001101
3211200112100121
4231333132031
511041301321
61110224541
7204323014
oct55773615
924615317
1012056461
11689521a
124055151
132661901
14185ba7b
1510d2441
hexb7f78d

12056461 has 8 divisors (see below), whose sum is σ = 12283704. Its totient is φ = 11831040.

The previous prime is 12056453. The next prime is 12056483. The reversal of 12056461 is 16465021.

It can be written as a sum of positive squares in 4 ways, for example, as 22500 + 12033961 = 150^2 + 3469^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12056461 - 23 = 12056453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22881 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (1535463).

Almost surely, 212056461 is an apocalyptic number.

It is an amenable number.

12056461 is a deficient number, since it is larger than the sum of its proper divisors (227243).

12056461 is an equidigital number, since it uses as much as digits as its factorization.

12056461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12056461 is about 3472.2414950576. The cubic root of 12056461 is about 229.3013518947.

Subtracting from 12056461 its product of nonzero digits (1440), we obtain a palindrome (12055021).

The spelling of 12056461 in words is "twelve million, fifty-six thousand, four hundred sixty-one".

Divisors: 1 73 317 521 23141 38033 165157 12056461