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53426233 = 7191273163
BaseRepresentation
bin1100101111001…
…1100000111001
310201112100000101
43023303200321
5102134114413
65145035401
71216054420
oct313634071
9121470011
1053426233
1128180a13
1215a85b61
13b0b7a73
14714a2b7
154a54edd
hex32f3839

53426233 has 16 divisors (see below), whose sum is σ = 64798720. Its totient is φ = 43028496.

The previous prime is 53426213. The next prime is 53426251. The reversal of 53426233 is 33262435.

It is not a de Polignac number, because 53426233 - 213 = 53418041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53426213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15310 + ... + 18472.

It is an arithmetic number, because the mean of its divisors is an integer number (4049920).

Almost surely, 253426233 is an apocalyptic number.

It is an amenable number.

53426233 is a deficient number, since it is larger than the sum of its proper divisors (11372487).

53426233 is a wasteful number, since it uses less digits than its factorization.

53426233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316.

The product of its digits is 12960, while the sum is 28.

The square root of 53426233 is about 7309.3250714413. The cubic root of 53426233 is about 376.6328396106.

Adding to 53426233 its reverse (33262435), we get a palindrome (86688668).

The spelling of 53426233 in words is "fifty-three million, four hundred twenty-six thousand, two hundred thirty-three".

Divisors: 1 7 19 127 133 889 2413 3163 16891 22141 60097 401701 420679 2811907 7632319 53426233