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52844893 = 431228951
BaseRepresentation
bin1100100110010…
…1100101011101
310200102210120021
43021211211131
5102012014033
65124352141
71211113513
oct311454535
9120383507
1052844893
1127914172
1215845651
13ac4328a
1470384b3
15498cb2d
hex326595d

52844893 has 4 divisors (see below), whose sum is σ = 54073888. Its totient is φ = 51615900.

The previous prime is 52844887. The next prime is 52844899. The reversal of 52844893 is 39844825.

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 an interprime number because it is at equal distance from previous prime (52844887) and next prime (52844899).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52844893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1228951 = 52844893 / (5 + 2 + 8 + 4 + 4 + 8 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52844899) 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, 614433 + ... + 614518.

It is an arithmetic number, because the mean of its divisors is an integer number (13518472).

Almost surely, 252844893 is an apocalyptic number.

It is an amenable number.

52844893 is a deficient number, since it is larger than the sum of its proper divisors (1228995).

52844893 is a wasteful number, since it uses less digits than its factorization.

52844893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228994.

The product of its digits is 276480, while the sum is 43.

The square root of 52844893 is about 7269.4492913838. The cubic root of 52844893 is about 375.2617857986.

The spelling of 52844893 in words is "fifty-two million, eight hundred forty-four thousand, eight hundred ninety-three".

Divisors: 1 43 1228951 52844893