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52223211 = 34644731
BaseRepresentation
bin1100011100110…
…1110011101011
310122021012210000
43013031303223
5101332120321
65103154043
71202614155
oct307156353
9118235700
1052223211
112752a087
12155a5923
13aa86311
146d15ad5
1548b8826
hex31cdceb

52223211 has 10 divisors (see below), whose sum is σ = 78012572. Its totient is φ = 34815420.

The previous prime is 52223207. The next prime is 52223239. The reversal of 52223211 is 11232225.

It is not a de Polignac number, because 52223211 - 22 = 52223207 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52223261) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 322285 + ... + 322446.

Almost surely, 252223211 is an apocalyptic number.

52223211 is a deficient number, since it is larger than the sum of its proper divisors (25789361).

52223211 is an equidigital number, since it uses as much as digits as its factorization.

52223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644743 (or 644734 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 52223211 is about 7226.5628759459. The cubic root of 52223211 is about 373.7844158716.

Adding to 52223211 its reverse (11232225), we get a palindrome (63455436).

The spelling of 52223211 in words is "fifty-two million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 3 9 27 81 644731 1934193 5802579 17407737 52223211