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52428871 = 114766261
BaseRepresentation
bin1100100000000…
…0000001000111
310122122122220001
43020000001013
5101410210441
65111422131
71204431565
oct310000107
9118578801
1052428871
112765a650
1215684947
13ab28b01
146d6aa35
154909731
hex3200047

52428871 has 4 divisors (see below), whose sum is σ = 57195144. Its totient is φ = 47662600.

The previous prime is 52428869. The next prime is 52428913. The reversal of 52428871 is 17882425.

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 52428871 - 21 = 52428869 is a prime.

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 52428871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52428841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383120 + ... + 2383141.

It is an arithmetic number, because the mean of its divisors is an integer number (14298786).

Almost surely, 252428871 is an apocalyptic number.

52428871 is a deficient number, since it is larger than the sum of its proper divisors (4766273).

52428871 is a wasteful number, since it uses less digits than its factorization.

52428871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766272.

The product of its digits is 35840, while the sum is 37.

The square root of 52428871 is about 7240.7783421397. The cubic root of 52428871 is about 374.2744394408.

The spelling of 52428871 in words is "fifty-two million, four hundred twenty-eight thousand, eight hundred seventy-one".

Divisors: 1 11 4766261 52428871