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52210111 = 177342071
BaseRepresentation
bin1100011100101…
…0100110111111
310122020112210211
43013022212333
5101331210421
65103013251
71202531032
oct307124677
9118215724
1052210111
1127520258
121559a227
13aa80375
146d11019
1548b49e1
hex31ca9bf

52210111 has 8 divisors (see below), whose sum is σ = 56039904. Its totient is φ = 48464640.

The previous prime is 52210099. The next prime is 52210129. The reversal of 52210111 is 11101225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52210111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52210091 and 52210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19795 + ... + 22276.

It is an arithmetic number, because the mean of its divisors is an integer number (7004988).

Almost surely, 252210111 is an apocalyptic number.

52210111 is a deficient number, since it is larger than the sum of its proper divisors (3829793).

52210111 is a wasteful number, since it uses less digits than its factorization.

52210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42161.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 52210111 is about 7225.6564407672. The cubic root of 52210111 is about 373.7531591102.

Adding to 52210111 its reverse (11101225), we get a palindrome (63311336).

It can be divided in two parts, 52210 and 111, that multiplied together give a triangular number (5795310 = T3404).

The spelling of 52210111 in words is "fifty-two million, two hundred ten thousand, one hundred eleven".

Divisors: 1 17 73 1241 42071 715207 3071183 52210111