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52020441 = 3311215923
BaseRepresentation
bin1100011001110…
…0010011011001
310121212220122000
43012130103121
5101304123231
65054551213
71201111044
oct306342331
9117786560
1052020441
1127400800
1215508509
13aa14c35
146ca1c5b
1548786e6
hex319c4d9

52020441 has 24 divisors (see below), whose sum is σ = 84715680. Its totient is φ = 31525560.

The previous prime is 52020439. The next prime is 52020467. The reversal of 52020441 is 14402025.

52020441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52020441 - 21 = 52020439 is a prime.

It is a super-2 number, since 2×520204412 = 5412252563668962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52020481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4695 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (3529820).

Almost surely, 252020441 is an apocalyptic number.

It is an amenable number.

52020441 is a deficient number, since it is larger than the sum of its proper divisors (32695239).

52020441 is a wasteful number, since it uses less digits than its factorization.

52020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15954 (or 15937 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52020441 is about 7212.5197400076. The cubic root of 52020441 is about 373.3000171340.

Adding to 52020441 its reverse (14402025), we get a palindrome (66422466).

The spelling of 52020441 in words is "fifty-two million, twenty thousand, four hundred forty-one".

Divisors: 1 3 9 11 27 33 99 121 297 363 1089 3267 15923 47769 143307 175153 429921 525459 1576377 1926683 4729131 5780049 17340147 52020441