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52230312 = 2333241807
BaseRepresentation
bin1100011100111…
…1100010101000
310122021120112000
43013033202220
5101332332222
65103251000
71202643651
oct307174250
9118246460
1052230312
1127534452
12155a9a60
13aa89614
146d18528
1548ba9ac
hex31cf8a8

52230312 has 32 divisors (see below), whose sum is σ = 145084800. Its totient is φ = 17410032.

The previous prime is 52230229. The next prime is 52230349. The reversal of 52230312 is 21303225.

52230312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120688 + ... + 121119.

It is an arithmetic number, because the mean of its divisors is an integer number (4533900).

Almost surely, 252230312 is an apocalyptic number.

It is an amenable number.

52230312 is an abundant number, since it is smaller than the sum of its proper divisors (92854488).

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

52230312 is a wasteful number, since it uses less digits than its factorization.

52230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241822 (or 241812 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52230312 is about 7227.0541716525. The cubic root of 52230312 is about 373.8013567605.

Adding to 52230312 its reverse (21303225), we get a palindrome (73533537).

The spelling of 52230312 in words is "fifty-two million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 241807 483614 725421 967228 1450842 1934456 2176263 2901684 4352526 5803368 6528789 8705052 13057578 17410104 26115156 52230312