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52333091 = 391113381
BaseRepresentation
bin1100011110100…
…0101000100011
310122110210111122
43013220220203
5101344124331
65105402455
71203552416
oct307505043
9118423448
1052333091
11275a4698
121563942b
13aac4335
146d43b7d
1548db17b
hex31e8a23

52333091 has 4 divisors (see below), whose sum is σ = 52350384. Its totient is φ = 52315800.

The previous prime is 52333079. The next prime is 52333093. The reversal of 52333091 is 19033325.

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 52333091 - 214 = 52316707 is a prime.

It is a super-2 number, since 2×523330912 = 5477504827228562, 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 52333091.

It is not an unprimeable number, because it can be changed into a prime (52333093) 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, 2780 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (13087596).

Almost surely, 252333091 is an apocalyptic number.

52333091 is a deficient number, since it is larger than the sum of its proper divisors (17293).

52333091 is a wasteful number, since it uses less digits than its factorization.

52333091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 52333091 is about 7234.1613888550. The cubic root of 52333091 is about 374.0463853361.

The spelling of 52333091 in words is "fifty-two million, three hundred thirty-three thousand, ninety-one".

Divisors: 1 3911 13381 52333091