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53244889 = 268919801
BaseRepresentation
bin1100101100011…
…1001111011001
310201012010020221
43023013033121
5102112314024
65141120041
71214400625
oct313071731
9121163227
1053244889
1128067745
12159b9021
13b053369
147100185
154a1b3e4
hex32c73d9

53244889 has 4 divisors (see below), whose sum is σ = 53267380. Its totient is φ = 53222400.

The previous prime is 53244883. The next prime is 53244907. The reversal of 53244889 is 98844235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 52707600 = 733^2 + 7260^2 .

It is a cyclic number.

It is not a de Polignac number, because 53244889 - 25 = 53244857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53244883) 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, 7212 + ... + 12589.

It is an arithmetic number, because the mean of its divisors is an integer number (13316845).

Almost surely, 253244889 is an apocalyptic number.

It is an amenable number.

53244889 is a deficient number, since it is larger than the sum of its proper divisors (22491).

53244889 is a wasteful number, since it uses less digits than its factorization.

53244889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22490.

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

The square root of 53244889 is about 7296.9095513101. The cubic root of 53244889 is about 376.2062231677.

The spelling of 53244889 in words is "fifty-three million, two hundred forty-four thousand, eight hundred eighty-nine".

Divisors: 1 2689 19801 53244889