Search a number
-
+
52007687 = 103504929
BaseRepresentation
bin1100011001100…
…1001100000111
310121212021010122
43012121030013
5101303221222
65054412155
71201025624
oct306311407
9117767118
1052007687
11273a2166
121550105b
13aa0c1a4
146c9b34b
154874a42
hex3199307

52007687 has 4 divisors (see below), whose sum is σ = 52512720. Its totient is φ = 51502656.

The previous prime is 52007633. The next prime is 52007689. The reversal of 52007687 is 78670025.

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

It is a cyclic number.

It is not a de Polignac number, because 52007687 - 210 = 52006663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52007689) 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, 252362 + ... + 252567.

It is an arithmetic number, because the mean of its divisors is an integer number (13128180).

Almost surely, 252007687 is an apocalyptic number.

52007687 is a deficient number, since it is larger than the sum of its proper divisors (505033).

52007687 is a wasteful number, since it uses less digits than its factorization.

52007687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505032.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 52007687 is about 7211.6355287826. The cubic root of 52007687 is about 373.2695069635.

The spelling of 52007687 in words is "fifty-two million, seven thousand, six hundred eighty-seven".

Divisors: 1 103 504929 52007687