Search a number
-
+
53299086 = 238883181
BaseRepresentation
bin1100101101010…
…0011110001110
310201021212121020
43023110132032
5102121032321
65142215010
71215014631
oct313243616
9121255536
1053299086
11280a4435
1215a24466
13b071c29
147115c18
154a2c4c6
hex32d478e

53299086 has 8 divisors (see below), whose sum is σ = 106598184. Its totient is φ = 17766360.

The previous prime is 53299069. The next prime is 53299087. The reversal of 53299086 is 68099235.

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

53299086 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53299087) 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, 4441585 + ... + 4441596.

It is an arithmetic number, because the mean of its divisors is an integer number (13324773).

Almost surely, 253299086 is an apocalyptic number.

53299086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53299086 is a wasteful number, since it uses less digits than its factorization.

53299086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883186.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 53299086 is about 7300.6223022425. The cubic root of 53299086 is about 376.3338243642. Note that the first 3 decimals are identical.

The spelling of 53299086 in words is "fifty-three million, two hundred ninety-nine thousand, eighty-six".

Divisors: 1 2 3 6 8883181 17766362 26649543 53299086