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2233340231 = 8311268721
BaseRepresentation
bin1000010100011110…
…0001000101000111
312202122102102211212
42011013201011013
514033213341411
61005340122035
7106226036003
oct20507410507
95678372755
102233340231
11a46731631
12523b3631b
13297905ac5
14172879703
15d110568b
hex851e1147

2233340231 has 4 divisors (see below), whose sum is σ = 2233617264. Its totient is φ = 2233063200.

The previous prime is 2233340147. The next prime is 2233340251. The reversal of 2233340231 is 1320433322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2233340231 is a prime.

It is a super-2 number, since 2×22333402312 = 9975617174806266722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2233340197 and 2233340206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233340251) 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, 126050 + ... + 142671.

It is an arithmetic number, because the mean of its divisors is an integer number (558404316).

Almost surely, 22233340231 is an apocalyptic number.

2233340231 is a deficient number, since it is larger than the sum of its proper divisors (277033).

2233340231 is an equidigital number, since it uses as much as digits as its factorization.

2233340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277032.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2233340231 is about 47258.2292410539. The cubic root of 2233340231 is about 1307.1285377045.

Adding to 2233340231 its reverse (1320433322), we get a palindrome (3553773553).

The spelling of 2233340231 in words is "two billion, two hundred thirty-three million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 8311 268721 2233340231