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52333431 = 323374869
BaseRepresentation
bin1100011110100…
…0101101110111
310122110210222020
43013220231313
5101344132211
65105404223
71203553413
oct307505567
9118423866
1052333431
11275a4977
1215639673
13aac4537
146d43d43
1548db306
hex31e8b77

52333431 has 8 divisors (see below), whose sum is σ = 70078320. Its totient is φ = 34738752.

The previous prime is 52333399. The next prime is 52333433. The reversal of 52333431 is 13433325.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52333431 - 25 = 52333399 is a prime.

It is a super-2 number, since 2×523334312 = 5477576000463522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52333433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36736 + ... + 38133.

It is an arithmetic number, because the mean of its divisors is an integer number (8759790).

Almost surely, 252333431 is an apocalyptic number.

52333431 is a deficient number, since it is larger than the sum of its proper divisors (17744889).

52333431 is a wasteful number, since it uses less digits than its factorization.

52333431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75105.

The product of its digits is 3240, while the sum is 24.

The square root of 52333431 is about 7234.1848884308. The cubic root of 52333431 is about 374.0471953748.

Adding to 52333431 its reverse (13433325), we get a palindrome (65766756).

The spelling of 52333431 in words is "fifty-two million, three hundred thirty-three thousand, four hundred thirty-one".

Divisors: 1 3 233 699 74869 224607 17444477 52333431