Search a number
-
+
52374187 = 64181707
BaseRepresentation
bin1100011111001…
…0101010101011
310122112212212201
43013302222223
5101401433222
65110321031
71204113265
oct307625253
9118485781
1052374187
1127622558
1215659177
13ab09c58
146d54b35
1548e8427
hex31f2aab

52374187 has 4 divisors (see below), whose sum is σ = 52456536. Its totient is φ = 52291840.

The previous prime is 52374167. The next prime is 52374191. The reversal of 52374187 is 78147325.

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

It is a cyclic number.

It is not a de Polignac number, because 52374187 - 219 = 51849899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52374137) 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, 40213 + ... + 41494.

It is an arithmetic number, because the mean of its divisors is an integer number (13114134).

Almost surely, 252374187 is an apocalyptic number.

52374187 is a deficient number, since it is larger than the sum of its proper divisors (82349).

52374187 is an equidigital number, since it uses as much as digits as its factorization.

52374187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82348.

The product of its digits is 47040, while the sum is 37.

The square root of 52374187 is about 7237.0012436091. The cubic root of 52374187 is about 374.1442697912.

The spelling of 52374187 in words is "fifty-two million, three hundred seventy-four thousand, one hundred eighty-seven".

Divisors: 1 641 81707 52374187