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52940569 = 114812779
BaseRepresentation
bin1100100111110…
…0111100011001
310200121122210211
43021330330121
5102023044234
65130411121
71211662453
oct311747431
9120548724
1052940569
112797a040
1215890aa1
13ac779a6
1470612d3
1549ab164
hex327cf19

52940569 has 4 divisors (see below), whose sum is σ = 57753360. Its totient is φ = 48127780.

The previous prime is 52940539. The next prime is 52940603. The reversal of 52940569 is 96504925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52940569 - 211 = 52938521 is a prime.

It is a super-2 number, since 2×529405692 = 5605407692087522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52940539) 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, 2406379 + ... + 2406400.

It is an arithmetic number, because the mean of its divisors is an integer number (14438340).

Almost surely, 252940569 is an apocalyptic number.

It is an amenable number.

52940569 is a deficient number, since it is larger than the sum of its proper divisors (4812791).

52940569 is a wasteful number, since it uses less digits than its factorization.

52940569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812790.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 52940569 is about 7276.0270065469. The cubic root of 52940569 is about 375.4881205081.

The spelling of 52940569 in words is "fifty-two million, nine hundred forty thousand, five hundred sixty-nine".

Divisors: 1 11 4812779 52940569