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52075801 = 157331693
BaseRepresentation
bin1100011010100…
…1110100011001
310121222201120101
43012221310121
5101312411201
65100055401
71201431331
oct306516431
9117881511
1052075801
1127439358
1215534561
13aa341ab
146cb80c1
154889d01
hex31a9d19

52075801 has 4 divisors (see below), whose sum is σ = 52407652. Its totient is φ = 51743952.

The previous prime is 52075783. The next prime is 52075813. The reversal of 52075801 is 10857025.

52075801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35462025 + 16613776 = 5955^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 52075801 - 211 = 52073753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52075801.

It is not an unprimeable number, because it can be changed into a prime (52075871) 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 3 ways as a sum of consecutive naturals, for example, 165690 + ... + 166003.

It is an arithmetic number, because the mean of its divisors is an integer number (13101913).

Almost surely, 252075801 is an apocalyptic number.

It is an amenable number.

52075801 is a deficient number, since it is larger than the sum of its proper divisors (331851).

52075801 is a wasteful number, since it uses less digits than its factorization.

52075801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331850.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 52075801 is about 7216.3564906399. The cubic root of 52075801 is about 373.4323917802.

The spelling of 52075801 in words is "fifty-two million, seventy-five thousand, eight hundred one".

Divisors: 1 157 331693 52075801