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52068447 = 3367107269
BaseRepresentation
bin1100011010100…
…0000001011111
310121222100111000
43012220001133
5101312142242
65100001343
71201401024
oct306500137
9117870430
1052068447
1127433882
1215530253
13aa30a42
146cb554b
154887a4c
hex31a805f

52068447 has 32 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 33748704.

The previous prime is 52068421. The next prime is 52068449. The reversal of 52068447 is 74486025.

52068447 is a `hidden beast` number, since 5 + 206 + 8 + 447 = 666.

It is not a de Polignac number, because 52068447 - 218 = 51806303 is a prime.

It is a super-2 number, since 2×520684472 = 5422246345983618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52068449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193429 + ... + 193697.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 252068447 is an apocalyptic number.

52068447 is a deficient number, since it is larger than the sum of its proper divisors (27246753).

52068447 is a wasteful number, since it uses less digits than its factorization.

52068447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 52068447 is about 7215.8469357380. The cubic root of 52068447 is about 373.4148125909.

The spelling of 52068447 in words is "fifty-two million, sixty-eight thousand, four hundred forty-seven".

Divisors: 1 3 9 27 67 107 201 269 321 603 807 963 1809 2421 2889 7169 7263 18023 21507 28783 54069 64521 86349 162207 193563 259047 486621 777141 1928461 5785383 17356149 52068447