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2043402223 = 7128780313
BaseRepresentation
bin111100111001011…
…1101011111101111
312021102000120212211
41321302331133233
513141102332343
6534433111251
7101431426612
oct17162753757
95242016784
102043402223
119594a1375
124903b8527
13267462655
14155556179
15be5d779d
hex79cbd7ef

2043402223 has 4 divisors (see below), whose sum is σ = 2072182608. Its totient is φ = 2014621840.

The previous prime is 2043402199. The next prime is 2043402233. The reversal of 2043402223 is 3222043402.

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-2043402223 is a prime.

It is a super-2 number, since 2×20434022232 = 8350985289922683458, 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 = 2043402194 and 2043402203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043402233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14390086 + ... + 14390227.

It is an arithmetic number, because the mean of its divisors is an integer number (518045652).

Almost surely, 22043402223 is an apocalyptic number.

2043402223 is a deficient number, since it is larger than the sum of its proper divisors (28780385).

2043402223 is an equidigital number, since it uses as much as digits as its factorization.

2043402223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780384.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2043402223 is about 45204.0067140071. The cubic root of 2043402223 is about 1268.9698019116.

Adding to 2043402223 its reverse (3222043402), we get a palindrome (5265445625).

The spelling of 2043402223 in words is "two billion, forty-three million, four hundred two thousand, two hundred twenty-three".

Divisors: 1 71 28780313 2043402223