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52807228 = 22110311969
BaseRepresentation
bin1100100101110…
…0011000111100
310200100212220021
43021130120330
5102004312403
65123501524
71210565635
oct311343074
9120325807
1052807228
1127898941
12158278a4
13ac2c0a6
14702888c
1549818bd
hex325c63c

52807228 has 12 divisors (see below), whose sum is σ = 92504160. Its totient is φ = 26377472.

The previous prime is 52807211. The next prime is 52807247. The reversal of 52807228 is 82270825.

52807228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52807193 and 52807202.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1573 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (7708680).

Almost surely, 252807228 is an apocalyptic number.

It is an amenable number.

52807228 is a deficient number, since it is larger than the sum of its proper divisors (39696932).

52807228 is a wasteful number, since it uses less digits than its factorization.

52807228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076 (or 13074 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 52807228 is about 7266.8581931946. The cubic root of 52807228 is about 375.1726091300.

It can be divided in two parts, 52807 and 228, that added together give a palindrome (53035).

The spelling of 52807228 in words is "fifty-two million, eight hundred seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 1103 2206 4412 11969 23938 47876 13201807 26403614 52807228