Search a number
-
+
52480187 = 59987613
BaseRepresentation
bin1100100000110…
…0100010111011
310122202021021122
43020030202323
5101413331222
65112455455
71205034314
oct310144273
9118667248
1052480187
1127695161
12156aa58b
13ab46286
146d8160b
154919a42
hex320c8bb

52480187 has 4 divisors (see below), whose sum is σ = 52568400. Its totient is φ = 52391976.

The previous prime is 52480163. The next prime is 52480189. The reversal of 52480187 is 78108425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52480187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52480189) 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, 43208 + ... + 44405.

It is an arithmetic number, because the mean of its divisors is an integer number (13142100).

Almost surely, 252480187 is an apocalyptic number.

52480187 is a deficient number, since it is larger than the sum of its proper divisors (88213).

52480187 is an equidigital number, since it uses as much as digits as its factorization.

52480187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88212.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 52480187 is about 7244.3210171830. The cubic root of 52480187 is about 374.3965096156.

The spelling of 52480187 in words is "fifty-two million, four hundred eighty thousand, one hundred eighty-seven".

Divisors: 1 599 87613 52480187