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220341331 = 743773947
BaseRepresentation
bin11010010001000…
…10010001010011
3120100121111111001
431020202101103
5422401410311
633510402431
75313604360
oct1510422123
9510544431
10220341331
11103416781
1261960417
1336859bb2
1421399467
15145264c1
hexd222453

220341331 has 16 divisors (see below), whose sum is σ = 258280704. Its totient is φ = 184038624.

The previous prime is 220341313. The next prime is 220341353. The reversal of 220341331 is 133143022.

It is not a de Polignac number, because 220341331 - 27 = 220341203 is a prime.

It is a super-2 number, since 2×2203413312 = 97100604293703122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220341299 and 220341308.

It is not an unprimeable number, because it can be changed into a prime (220341371) 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 15 ways as a sum of consecutive naturals, for example, 232200 + ... + 233146.

It is an arithmetic number, because the mean of its divisors is an integer number (16142544).

Almost surely, 2220341331 is an apocalyptic number.

220341331 is a deficient number, since it is larger than the sum of its proper divisors (37939373).

220341331 is an equidigital number, since it uses as much as digits as its factorization.

220341331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 220341331 is about 14843.8987803070. The cubic root of 220341331 is about 603.9931169998.

Adding to 220341331 its reverse (133143022), we get a palindrome (353484353).

It can be divided in two parts, 2203 and 41331, that added together give a palindrome (43534).

The spelling of 220341331 in words is "two hundred twenty million, three hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 7 43 301 773 947 5411 6629 33239 40721 232673 285047 732031 5124217 31477333 220341331