Search a number
-
+
52918689 = 374323741
BaseRepresentation
bin1100100111011…
…1100110100001
310200120112210110
43021313212201
5102021344224
65130121533
71211541615
oct311674641
9120515713
1052918689
112796465a
12158802a9
13ac6aa45
147057345
1549a4929
hex32779a1

52918689 has 8 divisors (see below), whose sum is σ = 70656192. Its totient is φ = 35230160.

The previous prime is 52918687. The next prime is 52918717. The reversal of 52918689 is 98681925.

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 52918689 - 21 = 52918687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52918687) 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, 9642 + ... + 14099.

It is an arithmetic number, because the mean of its divisors is an integer number (8832024).

Almost surely, 252918689 is an apocalyptic number.

It is an amenable number.

52918689 is a deficient number, since it is larger than the sum of its proper divisors (17737503).

52918689 is a wasteful number, since it uses less digits than its factorization.

52918689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24487.

The product of its digits is 311040, while the sum is 48.

The square root of 52918689 is about 7274.5232833499. The cubic root of 52918689 is about 375.4363844305.

The spelling of 52918689 in words is "fifty-two million, nine hundred eighteen thousand, six hundred eighty-nine".

Divisors: 1 3 743 2229 23741 71223 17639563 52918689