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11668390 = 251166839
BaseRepresentation
bin101100100000…
…101110100110
3210221211000121
4230200232212
510441342030
61054032154
7201115426
oct54405646
923854017
1011668390
11664a6a8
123aa865a
132557096
14179a486
15105747a
hexb20ba6

11668390 has 8 divisors (see below), whose sum is σ = 21003120. Its totient is φ = 4667352.

The previous prime is 11668387. The next prime is 11668399. The reversal of 11668390 is 9386611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668399) 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 3 ways as a sum of consecutive naturals, for example, 583410 + ... + 583429.

It is an arithmetic number, because the mean of its divisors is an integer number (2625390).

Almost surely, 211668390 is an apocalyptic number.

11668390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11668390 is a deficient number, since it is larger than the sum of its proper divisors (9334730).

11668390 is a wasteful number, since it uses less digits than its factorization.

11668390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166846.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 11668390 is about 3415.9025161734. The cubic root of 11668390 is about 226.8142373332.

The spelling of 11668390 in words is "eleven million, six hundred sixty-eight thousand, three hundred ninety".

Divisors: 1 2 5 10 1166839 2333678 5834195 11668390