Search a number
-
+
52434221 = 773102611
BaseRepresentation
bin1100100000000…
…1010100101101
310122122221020012
43020001110231
5101410343341
65111503005
71204453310
oct310012455
9118587205
1052434221
1127663674
1215687a65
13ab2b388
146d6c977
15490b0eb
hex320152d

52434221 has 8 divisors (see below), whose sum is σ = 60746304. Its totient is φ = 44327520.

The previous prime is 52434211. The next prime is 52434241. The reversal of 52434221 is 12243425.

It is a happy number.

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 52434221 - 210 = 52433197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52434211) 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, 50795 + ... + 51816.

It is an arithmetic number, because the mean of its divisors is an integer number (7593288).

Almost surely, 252434221 is an apocalyptic number.

It is an amenable number.

52434221 is a deficient number, since it is larger than the sum of its proper divisors (8312083).

52434221 is a wasteful number, since it uses less digits than its factorization.

52434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102691.

The product of its digits is 1920, while the sum is 23.

The square root of 52434221 is about 7241.1477681373. The cubic root of 52434221 is about 374.2871697050.

Adding to 52434221 its reverse (12243425), we get a palindrome (64677646).

The spelling of 52434221 in words is "fifty-two million, four hundred thirty-four thousand, two hundred twenty-one".

Divisors: 1 7 73 511 102611 718277 7490603 52434221