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11404661 is a prime number
BaseRepresentation
bin101011100000…
…010101110101
3210110102020212
4223200111311
510404422121
61044235205
7165636512
oct53402565
923412225
1011404661
11648a544
12399bb05
132494028
14172c309
15100425b
hexae0575

11404661 has 2 divisors, whose sum is σ = 11404662. Its totient is φ = 11404660.

The previous prime is 11404649. The next prime is 11404667. The reversal of 11404661 is 16640411.

11404661 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 481636 = 3305^2 + 694^2 .

It is an emirp because it is prime and its reverse (16640411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11404661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11404667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702330 + 5702331.

It is an arithmetic number, because the mean of its divisors is an integer number (5702331).

Almost surely, 211404661 is an apocalyptic number.

It is an amenable number.

11404661 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404661 is an equidigital number, since it uses as much as digits as its factorization.

11404661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11404661 is about 3377.0787672188. The cubic root of 11404661 is about 225.0923801725.

The spelling of 11404661 in words is "eleven million, four hundred four thousand, six hundred sixty-one".