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53235433 = 69117703
BaseRepresentation
bin1100101100010…
…0111011101001
310201011122021201
43023010323221
5102112013213
65141004201
71214331226
oct313047351
9121148251
1053235433
1128060629
12159b3661
13b04bc74
1470da94d
154a186dd
hex32c4ee9

53235433 has 4 divisors (see below), whose sum is σ = 53250048. Its totient is φ = 53220820.

The previous prime is 53235379. The next prime is 53235437. The reversal of 53235433 is 33453235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33453235 = 56690647.

It is a cyclic number.

It is not a de Polignac number, because 53235433 - 213 = 53227241 is a prime.

It is a super-2 number, since 2×532354332 = 5668022653394978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53235437) 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, 3060 + ... + 10762.

It is an arithmetic number, because the mean of its divisors is an integer number (13312512).

Almost surely, 253235433 is an apocalyptic number.

It is an amenable number.

53235433 is a deficient number, since it is larger than the sum of its proper divisors (14615).

53235433 is an equidigital number, since it uses as much as digits as its factorization.

53235433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14614.

The product of its digits is 16200, while the sum is 28.

The square root of 53235433 is about 7296.2615769996. The cubic root of 53235433 is about 376.1839511291.

Adding to 53235433 its reverse (33453235), we get a palindrome (86688668).

The spelling of 53235433 in words is "fifty-three million, two hundred thirty-five thousand, four hundred thirty-three".

Divisors: 1 6911 7703 53235433