Search a number
-
+
52032481 = 79658639
BaseRepresentation
bin1100011001111…
…1001111100001
310121220112010221
43012133033201
5101310014411
65055123041
71201161124
oct306371741
9117815127
1052032481
1127409856
1215513481
13aa1a567
146ca63bb
15487c071
hex319f3e1

52032481 has 4 divisors (see below), whose sum is σ = 52691200. Its totient is φ = 51373764.

The previous prime is 52032457. The next prime is 52032493. The reversal of 52032481 is 18423025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52032481 is a prime.

It is a super-2 number, since 2×520324812 = 5414758158030722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52032781) 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, 329241 + ... + 329398.

It is an arithmetic number, because the mean of its divisors is an integer number (13172800).

Almost surely, 252032481 is an apocalyptic number.

It is an amenable number.

52032481 is a deficient number, since it is larger than the sum of its proper divisors (658719).

52032481 is an equidigital number, since it uses as much as digits as its factorization.

52032481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658718.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52032481 is about 7213.3543514789. The cubic root of 52032481 is about 373.3288146952.

The spelling of 52032481 in words is "fifty-two million, thirty-two thousand, four hundred eighty-one".

Divisors: 1 79 658639 52032481