Search a number
-
+
53386887 = 323773723
BaseRepresentation
bin1100101110100…
…1111010000111
310201110100001010
43023221322013
5102131340022
65144133303
71215531621
oct313517207
9121410033
1053386887
11281543a4
1215a67233
13b0a2b98
147139c11
154a4850c
hex32e9e87

53386887 has 8 divisors (see below), whose sum is σ = 74277504. Its totient is φ = 34043768.

The previous prime is 53386859. The next prime is 53386889. The reversal of 53386887 is 78868335.

It is a happy number.

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 53386887 - 27 = 53386759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53386889) 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, 386793 + ... + 386930.

It is an arithmetic number, because the mean of its divisors is an integer number (9284688).

Almost surely, 253386887 is an apocalyptic number.

53386887 is a deficient number, since it is larger than the sum of its proper divisors (20890617).

53386887 is a wasteful number, since it uses less digits than its factorization.

53386887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773749.

The product of its digits is 967680, while the sum is 48.

The square root of 53386887 is about 7306.6330823437. The cubic root of 53386887 is about 376.5403592303.

The spelling of 53386887 in words is "fifty-three million, three hundred eighty-six thousand, eight hundred eighty-seven".

Divisors: 1 3 23 69 773723 2321169 17795629 53386887