Search a number
-
+
52809032 = 236601129
BaseRepresentation
bin1100100101110…
…0110101001000
310200100222101002
43021130311020
5102004342112
65123514132
71210604123
oct311346510
9120328332
1052809032
112789a231
1215828948
13ac2cb63
1470293ba
1549821c2
hex325cd48

52809032 has 8 divisors (see below), whose sum is σ = 99016950. Its totient is φ = 26404512.

The previous prime is 52809023. The next prime is 52809049. The reversal of 52809032 is 23090825.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 23367556 = 5426^2 + 4834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 52808986 and 52809004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300557 + ... + 3300572.

Almost surely, 252809032 is an apocalyptic number.

It is an amenable number.

52809032 is a deficient number, since it is larger than the sum of its proper divisors (46207918).

52809032 is a wasteful number, since it uses less digits than its factorization.

52809032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601135 (or 6601131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52809032 is about 7266.9823173034. The cubic root of 52809032 is about 375.1768812956.

Adding to 52809032 its reverse (23090825), we get a palindrome (75899857).

The spelling of 52809032 in words is "fifty-two million, eight hundred nine thousand, thirty-two".

Divisors: 1 2 4 8 6601129 13202258 26404516 52809032