Search a number
-
+
52487660 = 2258633041
BaseRepresentation
bin1100100000111…
…0010111101100
310122202122112102
43020032113230
5101414101120
65112554232
71205065151
oct310162754
9118678472
1052487660
112769a835
12156b2978
13ab497b4
146d84228
15491bd75
hex320e5ec

52487660 has 24 divisors (see below), whose sum is σ = 110388096. Its totient is φ = 20963840.

The previous prime is 52487641. The next prime is 52487683. The reversal of 52487660 is 6678425.

It is a happy number.

52487660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×524876603 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15740 + ... + 18780.

It is an arithmetic number, because the mean of its divisors is an integer number (4599504).

Almost surely, 252487660 is an apocalyptic number.

It is an amenable number.

52487660 is an abundant number, since it is smaller than the sum of its proper divisors (57900436).

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

52487660 is a wasteful number, since it uses less digits than its factorization.

52487660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 52487660 is about 7244.8367821504. The cubic root of 52487660 is about 374.4142797017.

The spelling of 52487660 in words is "fifty-two million, four hundred eighty-seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 863 1726 3041 3452 4315 6082 8630 12164 15205 17260 30410 60820 2624383 5248766 10497532 13121915 26243830 52487660