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53212 = 2253251
BaseRepresentation
bin1100111111011100
32200222211
430333130
53200322
61050204
7311065
oct147734
980884
1053212
1136a85
1226964
131b2b3
141556c
1510b77
hexcfdc

53212 has 12 divisors (see below), whose sum is σ = 95256. Its totient is φ = 26000.

The previous prime is 53201. The next prime is 53231. The reversal of 53212 is 21235.

It is an Ulam number.

It is a plaindrome in base 14.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 53192 and 53201.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 87 + ... + 337.

It is an arithmetic number, because the mean of its divisors is an integer number (7938).

253212 is an apocalyptic number.

It is an amenable number.

53212 is a deficient number, since it is larger than the sum of its proper divisors (42044).

53212 is a wasteful number, since it uses less digits than its factorization.

53212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 306 counting only the distinct ones).

The product of its digits is 60, while the sum is 13.

The square root of 53212 is about 230.6772637258. The cubic root of 53212 is about 37.6128747219.

Adding to 53212 its reverse (21235), we get a palindrome (74447).

It can be divided in two parts, 53 and 212, that multiplied together give a square (11236 = 1062).

The spelling of 53212 in words is "fifty-three thousand, two hundred twelve".

Divisors: 1 2 4 53 106 212 251 502 1004 13303 26606 53212