Search a number
-
+
52330220 = 2258929399
BaseRepresentation
bin1100011110011…
…1111011101100
310122110122120022
43013213323230
5101344031340
65105341312
71203541145
oct307477354
9118418508
1052330220
11275a2518
1215637838
13aac2c37
146d42acc
1548da3b5
hex31e7eec

52330220 has 24 divisors (see below), whose sum is σ = 111132000. Its totient is φ = 20696192.

The previous prime is 52330217. The next prime is 52330231. The reversal of 52330220 is 2203325.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12920 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (4630500).

Almost surely, 252330220 is an apocalyptic number.

It is an amenable number.

52330220 is an abundant number, since it is smaller than the sum of its proper divisors (58801780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52330220 is a wasteful number, since it uses less digits than its factorization.

52330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29497 (or 29495 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 52330220 is about 7233.9629526284. The cubic root of 52330220 is about 374.0395451336.

Adding to 52330220 its reverse (2203325), we get a palindrome (54533545).

The spelling of 52330220 in words is "fifty-two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 29399 58798 117596 146995 293990 587980 2616511 5233022 10466044 13082555 26165110 52330220