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52335431 = 229228539
BaseRepresentation
bin1100011110100…
…1001101000111
310122110220201022
43013221031013
5101344213211
65105421355
71203562301
oct307511507
9118426638
1052335431
11275a6425
121563a85b
13aac5415
146d44971
1548dbbdb
hex31e9347

52335431 has 4 divisors (see below), whose sum is σ = 52564200. Its totient is φ = 52106664.

The previous prime is 52335421. The next prime is 52335457. The reversal of 52335431 is 13453325.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52335431 is a prime.

It is a super-2 number, since 2×523354312 = 5477994675911522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52335431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52335421) 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, 114041 + ... + 114498.

It is an arithmetic number, because the mean of its divisors is an integer number (13141050).

Almost surely, 252335431 is an apocalyptic number.

52335431 is a deficient number, since it is larger than the sum of its proper divisors (228769).

52335431 is a wasteful number, since it uses less digits than its factorization.

52335431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228768.

The product of its digits is 5400, while the sum is 26.

The square root of 52335431 is about 7234.3231196844. The cubic root of 52335431 is about 374.0519602377.

Adding to 52335431 its reverse (13453325), we get a palindrome (65788756).

The spelling of 52335431 in words is "fifty-two million, three hundred thirty-five thousand, four hundred thirty-one".

Divisors: 1 229 228539 52335431