Search a number
-
+
52684219 = 77526317
BaseRepresentation
bin1100100011111…
…0010110111011
310200010122011101
43020332112323
5101441343334
65121112231
71206544210
oct310762673
9120118141
1052684219
1127814485
1215788677
13abb80c3
146dd5b07
15495a214
hex323e5bb

52684219 has 4 divisors (see below), whose sum is σ = 60210544. Its totient is φ = 45157896.

The previous prime is 52684211. The next prime is 52684223. The reversal of 52684219 is 91248625.

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

It is not a de Polignac number, because 52684219 - 23 = 52684211 is a prime.

It is a super-2 number, since 2×526842192 = 5551253863279922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52684211) 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, 3763152 + ... + 3763165.

It is an arithmetic number, because the mean of its divisors is an integer number (15052636).

Almost surely, 252684219 is an apocalyptic number.

52684219 is a deficient number, since it is larger than the sum of its proper divisors (7526325).

52684219 is an equidigital number, since it uses as much as digits as its factorization.

52684219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526324.

The product of its digits is 34560, while the sum is 37.

The square root of 52684219 is about 7258.3895596751. The cubic root of 52684219 is about 374.8810739920.

The spelling of 52684219 in words is "fifty-two million, six hundred eighty-four thousand, two hundred nineteen".

Divisors: 1 7 7526317 52684219