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52228932 = 22376110193
BaseRepresentation
bin1100011100111…
…1001101000100
310122021111121220
43013033031010
5101332311212
65103240340
71202636640
oct307171504
9118244556
1052228932
1127533408
12155a90b0
13aa88ac2
146d17c20
1548ba38c
hex31cf344

52228932 has 48 divisors (see below), whose sum is σ = 141574272. Its totient is φ = 14676480.

The previous prime is 52228919. The next prime is 52228933. The reversal of 52228932 is 23982225.

52228932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×522289322 = 5455722675721248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52228893 and 52228902.

It is not an unprimeable number, because it can be changed into a prime (52228933) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28 + ... + 10220.

It is an arithmetic number, because the mean of its divisors is an integer number (2949464).

Almost surely, 252228932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52228932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70787136).

52228932 is an abundant number, since it is smaller than the sum of its proper divisors (89345340).

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

52228932 is a wasteful number, since it uses less digits than its factorization.

52228932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268 (or 10266 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 52228932 is about 7226.9586964366. The cubic root of 52228932 is about 373.7980646082.

The spelling of 52228932 in words is "fifty-two million, two hundred twenty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 61 84 122 183 244 366 427 732 854 1281 1708 2562 5124 10193 20386 30579 40772 61158 71351 122316 142702 214053 285404 428106 621773 856212 1243546 1865319 2487092 3730638 4352411 7461276 8704822 13057233 17409644 26114466 52228932