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52075940 = 2257371971
BaseRepresentation
bin1100011010100…
…1110110100100
310121222201202112
43012221312210
5101312412230
65100100152
71201431620
oct306516644
9117881675
1052075940
1127439474
1215534658
13aa34287
146cb8180
154889d95
hex31a9da4

52075940 has 24 divisors (see below), whose sum is σ = 124982592. Its totient is φ = 17854560.

The previous prime is 52075901. The next prime is 52075957. The reversal of 52075940 is 4957025.

52075940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52075897 and 52075906.

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 7 ways as a sum of consecutive naturals, for example, 185846 + ... + 186125.

It is an arithmetic number, because the mean of its divisors is an integer number (5207608).

Almost surely, 252075940 is an apocalyptic number.

It is an amenable number.

52075940 is an abundant number, since it is smaller than the sum of its proper divisors (72906652).

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

52075940 is a wasteful number, since it uses less digits than its factorization.

52075940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371987 (or 371985 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 52075940 is about 7216.3661215324. The cubic root of 52075940 is about 373.4327240334.

The spelling of 52075940 in words is "fifty-two million, seventy-five thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 371971 743942 1487884 1859855 2603797 3719710 5207594 7439420 10415188 13018985 26037970 52075940