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5212423223 = 7744631889
BaseRepresentation
bin1001101101010111…
…10100010000110111
3111110021002112102222
410312223310100313
541133340020343
62221120152555
7243111603110
oct46653642067
914407075388
105212423223
112235305797
12101576875b
13650b756c7
14376399207
15207916a68
hex136af4437

5212423223 has 4 divisors (see below), whose sum is σ = 5957055120. Its totient is φ = 4467791328.

The previous prime is 5212423219. The next prime is 5212423247. The reversal of 5212423223 is 3223242125.

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

It is not a de Polignac number, because 5212423223 - 22 = 5212423219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5212423192 and 5212423201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212423213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372315938 + ... + 372315951.

It is an arithmetic number, because the mean of its divisors is an integer number (1489263780).

Almost surely, 25212423223 is an apocalyptic number.

5212423223 is a deficient number, since it is larger than the sum of its proper divisors (744631897).

5212423223 is an equidigital number, since it uses as much as digits as its factorization.

5212423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744631896.

The product of its digits is 5760, while the sum is 26.

The square root of 5212423223 is about 72197.1136749940. The cubic root of 5212423223 is about 1733.8567905427.

Adding to 5212423223 its reverse (3223242125), we get a palindrome (8435665348).

The spelling of 5212423223 in words is "five billion, two hundred twelve million, four hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 7 744631889 5212423223