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52210212 = 22316726053
BaseRepresentation
bin1100011100101…
…0101000100100
310122020112221120
43013022220210
5101331211322
65103013540
71202531235
oct307125044
9118215846
1052210212
112752033a
121559a2b0
13aa80422
146d1108c
1548b4a5c
hex31caa24

52210212 has 24 divisors (see below), whose sum is σ = 122558016. Its totient is φ = 17298528.

The previous prime is 52210201. The next prime is 52210241. The reversal of 52210212 is 21201225.

It is a junction number, because it is equal to n+sod(n) for n = 52210191 and 52210200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11023 + ... + 15030.

It is an arithmetic number, because the mean of its divisors is an integer number (5106584).

Almost surely, 252210212 is an apocalyptic number.

It is an amenable number.

52210212 is an abundant number, since it is smaller than the sum of its proper divisors (70347804).

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

52210212 is a wasteful number, since it uses less digits than its factorization.

52210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26227 (or 26225 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 52210212 is about 7225.6634297482. The cubic root of 52210212 is about 373.7534001175.

Adding to 52210212 its reverse (21201225), we get a palindrome (73411437).

The spelling of 52210212 in words is "fifty-two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 26053 52106 78159 104212 156318 312636 4350851 8701702 13052553 17403404 26105106 52210212