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52002212 = 2213000553
BaseRepresentation
bin1100011001011…
…1110110100100
310121211222121212
43012113312210
5101303032322
65054330552
71201003643
oct306276644
9117758555
1052002212
1127399039
12154b9a58
13aa09852
146c9935a
1548730e2
hex3197da4

52002212 has 6 divisors (see below), whose sum is σ = 91003878. Its totient is φ = 26001104.

The previous prime is 52002199. The next prime is 52002217. The reversal of 52002212 is 21220025.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 18524416 = 5786^2 + 4304^2 .

It is not an unprimeable number, because it can be changed into a prime (52002217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500273 + ... + 6500280.

It is an arithmetic number, because the mean of its divisors is an integer number (15167313).

Almost surely, 252002212 is an apocalyptic number.

It is an amenable number.

52002212 is a deficient number, since it is larger than the sum of its proper divisors (39001666).

52002212 is a wasteful number, since it uses less digits than its factorization.

52002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000557 (or 13000555 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 52002212 is about 7211.2559239012. The cubic root of 52002212 is about 373.2564081161.

Adding to 52002212 its reverse (21220025), we get a palindrome (73222237).

The spelling of 52002212 in words is "fifty-two million, two thousand, two hundred twelve".

Divisors: 1 2 4 13000553 26001106 52002212