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52452342431 = 431219821917
BaseRepresentation
bin110000110110011001…
…110011101010011111
312000101111100002000022
4300312121303222133
51324410244424211
640032443422355
73534550361066
oct606631635237
9160344302008
1052452342431
1120276a86235
12a1ba2249bb
134c3bb54018
1427782d71dd
15156ed09bdb
hexc36673a9f

52452342431 has 4 divisors (see below), whose sum is σ = 53672164392. Its totient is φ = 51232520472.

The previous prime is 52452342413. The next prime is 52452342451. The reversal of 52452342431 is 13424325425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52452342431 - 218 = 52452080287 is a prime.

It is a super-2 number, since 2×524523424312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52452342391 and 52452342400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52452342451) 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, 609910916 + ... + 609911001.

It is an arithmetic number, because the mean of its divisors is an integer number (13418041098).

Almost surely, 252452342431 is an apocalyptic number.

52452342431 is a deficient number, since it is larger than the sum of its proper divisors (1219821961).

52452342431 is a wasteful number, since it uses less digits than its factorization.

52452342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219821960.

The product of its digits is 115200, while the sum is 35.

Adding to 52452342431 its reverse (13424325425), we get a palindrome (65876667856).

The spelling of 52452342431 in words is "fifty-two billion, four hundred fifty-two million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 43 1219821917 52452342431