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52123412 = 22112107693
BaseRepresentation
bin1100011011010…
…1011100010100
310122002010212202
43012311130110
5101320422122
65101104032
71202020205
oct306653424
9118063782
1052123412
1127471100
1215558018
13aa4ca73
146ccb5ac
154898e92
hex31b5714

52123412 has 18 divisors (see below), whose sum is σ = 100263114. Its totient is φ = 23692240.

The previous prime is 52123399. The next prime is 52123427. The reversal of 52123412 is 21432125.

52123412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50495236 + 1628176 = 7106^2 + 1276^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 53363 + ... + 54330.

It is an arithmetic number, because the mean of its divisors is an integer number (5570173).

Almost surely, 252123412 is an apocalyptic number.

It is an amenable number.

52123412 is a deficient number, since it is larger than the sum of its proper divisors (48139702).

52123412 is a wasteful number, since it uses less digits than its factorization.

52123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107719 (or 107706 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 52123412 is about 7219.6545623735. The cubic root of 52123412 is about 373.5461623072.

Adding to 52123412 its reverse (21432125), we get a palindrome (73555537).

The spelling of 52123412 in words is "fifty-two million, one hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 121 242 484 107693 215386 430772 1184623 2369246 4738492 13030853 26061706 52123412