Search a number
-
+
52042939 = 1321118973
BaseRepresentation
bin1100011010000…
…1110010111011
310121221001111021
43012201302323
5101310333224
65055243311
71201233454
oct306416273
9117831437
1052042939
11274166a3
1215519537
13aa22250
146caa12b
1548801e4
hex31a1cbb

52042939 has 8 divisors (see below), whose sum is σ = 56314832. Its totient is φ = 47809440.

The previous prime is 52042937. The next prime is 52043027. The reversal of 52042939 is 93924025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52042939 - 21 = 52042937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52042931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6744 + ... + 12229.

It is an arithmetic number, because the mean of its divisors is an integer number (7039354).

Almost surely, 252042939 is an apocalyptic number.

52042939 is a deficient number, since it is larger than the sum of its proper divisors (4271893).

52042939 is a wasteful number, since it uses less digits than its factorization.

52042939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19197.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 52042939 is about 7214.0792205243. The cubic root of 52042939 is about 373.3538247858.

The spelling of 52042939 in words is "fifty-two million, forty-two thousand, nine hundred thirty-nine".

Divisors: 1 13 211 2743 18973 246649 4003303 52042939