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220233313 = 1911591227
BaseRepresentation
bin11010010000001…
…11111001100001
3120100102000022101
431020013321201
5422334431223
633504210401
75312644426
oct1510077141
9510360271
10220233313
11103352603
1261909a01
133681c991
142136bd4d
15145044ad
hexd207e61

220233313 has 4 divisors (see below), whose sum is σ = 231824560. Its totient is φ = 208642068.

The previous prime is 220233311. The next prime is 220233329. The reversal of 220233313 is 313332022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313332022 = 2156666011.

It is a cyclic number.

It is not a de Polignac number, because 220233313 - 21 = 220233311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11591227 = 220233313 / (2 + 2 + 0 + 2 + 3 + 3 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220233311) by changing a digit.

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, 5795595 + ... + 5795632.

It is an arithmetic number, because the mean of its divisors is an integer number (57956140).

Almost surely, 2220233313 is an apocalyptic number.

It is an amenable number.

220233313 is a deficient number, since it is larger than the sum of its proper divisors (11591247).

220233313 is a wasteful number, since it uses less digits than its factorization.

220233313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591246.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 220233313 is about 14840.2598696923. The cubic root of 220233313 is about 603.8944022884.

Adding to 220233313 its reverse (313332022), we get a palindrome (533565335).

The spelling of 220233313 in words is "two hundred twenty million, two hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 19 11591227 220233313