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11668263 = 36163761
BaseRepresentation
bin101100100000…
…101100100111
3210221210211220
4230200230213
510441341023
61054031423
7201115155
oct54405447
923853756
1011668263
11664a5a2
123aa8573
132556cc9
14179a3d5
1510573e3
hexb20b27

11668263 has 8 divisors (see below), whose sum is σ = 15812976. Its totient is φ = 7651200.

The previous prime is 11668259. The next prime is 11668271. The reversal of 11668263 is 36286611.

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

It is not a de Polignac number, because 11668263 - 22 = 11668259 is a prime.

It is a super-2 number, since 2×116682632 = 272296722874338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31698 + ... + 32063.

It is an arithmetic number, because the mean of its divisors is an integer number (1976622).

Almost surely, 211668263 is an apocalyptic number.

11668263 is a deficient number, since it is larger than the sum of its proper divisors (4144713).

11668263 is an equidigital number, since it uses as much as digits as its factorization.

11668263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63825.

The product of its digits is 10368, while the sum is 33.

The square root of 11668263 is about 3415.8839265994. The cubic root of 11668263 is about 226.8134144401.

The spelling of 11668263 in words is "eleven million, six hundred sixty-eight thousand, two hundred sixty-three".

Divisors: 1 3 61 183 63761 191283 3889421 11668263