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220441401 = 321933571
BaseRepresentation
bin11010010001110…
…10101100111001
3120100210120202100
431020322230321
5422413111101
633512454013
75314502205
oct1510725471
9510716670
10220441401
11103484984
12619aa309
13368935cb
14213c3b05
1514545e86
hexd23ab39

220441401 has 24 divisors (see below), whose sum is σ = 336196640. Its totient is φ = 139187160.

The previous prime is 220441387. The next prime is 220441423. The reversal of 220441401 is 104144022.

220441401 is a `hidden beast` number, since 220 + 4 + 41 + 401 = 666.

It is not a de Polignac number, because 220441401 - 25 = 220441369 is a prime.

It is a super-2 number, since 2×2204414012 = 97188822549685602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220441451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59946 + ... + 63516.

Almost surely, 2220441401 is an apocalyptic number.

It is an amenable number.

220441401 is a deficient number, since it is larger than the sum of its proper divisors (115755239).

220441401 is an equidigital number, since it uses as much as digits as its factorization.

220441401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220441401 is about 14847.2691428424. The cubic root of 220441401 is about 604.0845394657.

Adding to 220441401 its reverse (104144022), we get a palindrome (324585423).

The spelling of 220441401 in words is "two hundred twenty million, four hundred forty-one thousand, four hundred one".

Divisors: 1 3 9 19 57 171 361 1083 3249 3571 6859 10713 20577 32139 61731 67849 203547 610641 1289131 3867393 11602179 24493489 73480467 220441401