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11612945 = 58327983
BaseRepresentation
bin101100010011…
…001100010001
3210211222222002
4230103030101
510433103240
61052523345
7200464661
oct54231421
923758862
1011612945
116611a83
123a80555
132537a86
1417841a1
151045d15
hexb13311

11612945 has 8 divisors (see below), whose sum is σ = 14103936. Its totient is φ = 9178096.

The previous prime is 11612927. The next prime is 11612947. The reversal of 11612945 is 54921611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11612945 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11612947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13577 + ... + 14406.

It is an arithmetic number, because the mean of its divisors is an integer number (1762992).

Almost surely, 211612945 is an apocalyptic number.

It is an amenable number.

11612945 is a deficient number, since it is larger than the sum of its proper divisors (2490991).

11612945 is an equidigital number, since it uses as much as digits as its factorization.

11612945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28071.

The product of its digits is 2160, while the sum is 29.

The square root of 11612945 is about 3407.7771347317. Note that the first 3 decimals coincide. The cubic root of 11612945 is about 226.4544137149.

The spelling of 11612945 in words is "eleven million, six hundred twelve thousand, nine hundred forty-five".

Divisors: 1 5 83 415 27983 139915 2322589 11612945