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52211764 = 22111186631
BaseRepresentation
bin1100011100101…
…1000000110100
310122020122002001
43013023000310
5101331234024
65103025044
71202535613
oct307130064
9118218061
1052211764
1127521520
121559b184
13aa81047
146d1187a
1548b5244
hex31cb034

52211764 has 12 divisors (see below), whose sum is σ = 99677088. Its totient is φ = 23732600.

The previous prime is 52211759. The next prime is 52211779. The reversal of 52211764 is 46711225.

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, 593272 + ... + 593359.

It is an arithmetic number, because the mean of its divisors is an integer number (8306424).

Almost surely, 252211764 is an apocalyptic number.

It is an amenable number.

52211764 is a deficient number, since it is larger than the sum of its proper divisors (47465324).

52211764 is a wasteful number, since it uses less digits than its factorization.

52211764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186646 (or 1186644 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 52211764 is about 7225.7708239329. The cubic root of 52211764 is about 373.7571034768.

Adding to 52211764 its reverse (46711225), we get a palindrome (98922989).

It can be divided in two parts, 52211 and 764, that added together give a triangular number (52975 = T325).

The spelling of 52211764 in words is "fifty-two million, two hundred eleven thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 44 1186631 2373262 4746524 13052941 26105882 52211764