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52428783 = 3111588751
BaseRepresentation
bin1100011111111…
…1111111101111
310122122122202210
43013333333233
5101410210113
65111421503
71204431411
oct307777757
9118578683
1052428783
112765a580
1215684893
13ab28a64
146d6a9b1
1549096c3
hex31fffef

52428783 has 8 divisors (see below), whose sum is σ = 76260096. Its totient is φ = 31775000.

The previous prime is 52428767. The next prime is 52428841. The reversal of 52428783 is 38782425.

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

It is a cyclic number.

It is not a de Polignac number, because 52428783 - 24 = 52428767 is a prime.

It is a super-2 number, since 2×524287832 = 5497554573722178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52428703) 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, 794343 + ... + 794408.

It is an arithmetic number, because the mean of its divisors is an integer number (9532512).

Almost surely, 252428783 is an apocalyptic number.

52428783 is a deficient number, since it is larger than the sum of its proper divisors (23831313).

52428783 is a wasteful number, since it uses less digits than its factorization.

52428783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588765.

The product of its digits is 107520, while the sum is 39.

The square root of 52428783 is about 7240.7722654424. The cubic root of 52428783 is about 374.2742300385.

The spelling of 52428783 in words is "fifty-two million, four hundred twenty-eight thousand, seven hundred eighty-three".

Divisors: 1 3 11 33 1588751 4766253 17476261 52428783