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11660404 = 227416443
BaseRepresentation
bin101100011110…
…110001110100
3210221102001211
4230132301310
510441113104
61053531204
7201053230
oct54366164
923842054
1011660404
1166446a8
123aa3b04
132553562
1417975c0
151054e04
hexb1ec74

11660404 has 12 divisors (see below), whose sum is σ = 23320864. Its totient is φ = 4997304.

The previous prime is 11660393. The next prime is 11660413. The reversal of 11660404 is 40406611.

11660404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208194 + ... + 208249.

Almost surely, 211660404 is an apocalyptic number.

11660404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11660404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11660404 is a wasteful number, since it uses less digits than its factorization.

11660404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416454 (or 416452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11660404 is about 3414.7333717290. The cubic root of 11660404 is about 226.7624806386.

The spelling of 11660404 in words is "eleven million, six hundred sixty thousand, four hundred four".

Divisors: 1 2 4 7 14 28 416443 832886 1665772 2915101 5830202 11660404