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11904485 = 52380897
BaseRepresentation
bin101101011010…
…010111100101
3211101210212212
4231122113211
511021420420
61103053205
7203120645
oct55322745
924353785
1011904485
1167a101a
123ba1205
13260a698
14181c525
1510a23c5
hexb5a5e5

11904485 has 4 divisors (see below), whose sum is σ = 14285388. Its totient is φ = 9523584.

The previous prime is 11904481. The next prime is 11904509. The reversal of 11904485 is 58440911.

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 3511876 + 8392609 = 1874^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 11904485 - 22 = 11904481 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 (11904481) 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, 1190444 + ... + 1190453.

It is an arithmetic number, because the mean of its divisors is an integer number (3571347).

Almost surely, 211904485 is an apocalyptic number.

It is an amenable number.

11904485 is a deficient number, since it is larger than the sum of its proper divisors (2380903).

11904485 is an equidigital number, since it uses as much as digits as its factorization.

11904485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380902.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 11904485 is about 3450.2876691662. The cubic root of 11904485 is about 228.3337998226. Note that the first 3 decimals are identical.

The spelling of 11904485 in words is "eleven million, nine hundred four thousand, four hundred eighty-five".

Divisors: 1 5 2380897 11904485