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52341391 = 257203663
BaseRepresentation
bin1100011110101…
…0101010001111
310122111012220001
43013222222033
5101344411031
65105505131
71203615544
oct307525217
9118435801
1052341391
11275aa953
12156421a7
13aac804b
146d46bcb
1548dd861
hex31eaa8f

52341391 has 4 divisors (see below), whose sum is σ = 52545312. Its totient is φ = 52137472.

The previous prime is 52341389. The next prime is 52341397. The reversal of 52341391 is 19314325.

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 52341391 - 21 = 52341389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52341397) 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, 101575 + ... + 102088.

It is an arithmetic number, because the mean of its divisors is an integer number (13136328).

Almost surely, 252341391 is an apocalyptic number.

52341391 is a deficient number, since it is larger than the sum of its proper divisors (203921).

52341391 is a wasteful number, since it uses less digits than its factorization.

52341391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203920.

The product of its digits is 3240, while the sum is 28.

The square root of 52341391 is about 7234.7350331577. The cubic root of 52341391 is about 374.0661588091.

It can be divided in two parts, 523 and 41391, that added together give a palindrome (41914).

The spelling of 52341391 in words is "fifty-two million, three hundred forty-one thousand, three hundred ninety-one".

Divisors: 1 257 203663 52341391