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52214020 = 2252610701
BaseRepresentation
bin1100011100101…
…1100100000100
310122020202011121
43013023210010
5101331322040
65103043324
71202545315
oct307134404
9118222147
1052214020
1127523191
12155a0544
13aa82091
146d1260c
1548b5c4a
hex31cb904

52214020 has 12 divisors (see below), whose sum is σ = 109649484. Its totient is φ = 20885600.

The previous prime is 52214017. The next prime is 52214047. The reversal of 52214020 is 2041225.

It can be written as a sum of positive squares in 2 ways, for example, as 30980356 + 21233664 = 5566^2 + 4608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52213985 and 52214003.

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, 1305331 + ... + 1305370.

It is an arithmetic number, because the mean of its divisors is an integer number (9137457).

Almost surely, 252214020 is an apocalyptic number.

It is an amenable number.

52214020 is an abundant number, since it is smaller than the sum of its proper divisors (57435464).

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

52214020 is a wasteful number, since it uses less digits than its factorization.

52214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610710 (or 2610708 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52214020 is about 7225.9269301592. The cubic root of 52214020 is about 373.7624865796.

Adding to 52214020 its reverse (2041225), we get a palindrome (54255245).

The spelling of 52214020 in words is "fifty-two million, two hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 10 20 2610701 5221402 10442804 13053505 26107010 52214020