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16641230 = 251664123
BaseRepresentation
bin111111011110…
…110011001110
31011022110110212
4333132303032
513230004410
61352402422
7261306464
oct77366316
934273425
1016641230
119436891
1256a6412
1335a86a8
1422d2834
1516dab05
hexfdecce

16641230 has 8 divisors (see below), whose sum is σ = 29954232. Its totient is φ = 6656488.

The previous prime is 16641221. The next prime is 16641239. The reversal of 16641230 is 3214661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16641221) and next prime (16641239).

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

It is a junction number, because it is equal to n+sod(n) for n = 16641196 and 16641205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16641239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832052 + ... + 832071.

It is an arithmetic number, because the mean of its divisors is an integer number (3744279).

Almost surely, 216641230 is an apocalyptic number.

16641230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16641230 is a deficient number, since it is larger than the sum of its proper divisors (13313002).

16641230 is a wasteful number, since it uses less digits than its factorization.

16641230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664130.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16641230 is about 4079.3663723672. The cubic root of 16641230 is about 255.3064622484.

Adding to 16641230 its reverse (3214661), we get a palindrome (19855891).

The spelling of 16641230 in words is "sixteen million, six hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1664123 3328246 8320615 16641230