Search a number
-
+
52320672 = 2532181669
BaseRepresentation
bin1100011110010…
…1100110100000
310122110011110200
43013211212200
5101343230142
65105225200
71203501255
oct307454640
9118404420
1052320672
1127596328
1215632200
13aabb7a1
146d3d42c
1548d764c
hex31e59a0

52320672 has 36 divisors (see below), whose sum is σ = 148787730. Its totient is φ = 17440128.

The previous prime is 52320647. The next prime is 52320683. The reversal of 52320672 is 27602325.

It can be written as a sum of positive squares in only one way, i.e., 49617936 + 2702736 = 7044^2 + 1644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90547 + ... + 91122.

Almost surely, 252320672 is an apocalyptic number.

It is an amenable number.

52320672 is an abundant number, since it is smaller than the sum of its proper divisors (96467058).

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

52320672 is a wasteful number, since it uses less digits than its factorization.

52320672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181685 (or 181674 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52320672 is about 7233.3029799670. The cubic root of 52320672 is about 374.0167950745.

Adding to 52320672 its reverse (27602325), we get a palindrome (79922997).

The spelling of 52320672 in words is "fifty-two million, three hundred twenty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 181669 363338 545007 726676 1090014 1453352 1635021 2180028 2906704 3270042 4360056 5813408 6540084 8720112 13080168 17440224 26160336 52320672