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52175039 = 743971787
BaseRepresentation
bin1100011100001…
…0000010111111
310122011202200212
43013002002333
5101324100124
65102143035
71202323550
oct307020277
9118152625
1052175039
11274a6974
1215581a7b
13aa6a407
146d02327
1548a940e
hex31c20bf

52175039 has 16 divisors (see below), whose sum is σ = 61678848. Its totient is φ = 43206912.

The previous prime is 52175033. The next prime is 52175047. The reversal of 52175039 is 93057125.

52175039 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 52175039 - 28 = 52174783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52174996 and 52175014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52175033) 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 15 ways as a sum of consecutive naturals, for example, 28304 + ... + 30090.

It is an arithmetic number, because the mean of its divisors is an integer number (3854928).

Almost surely, 252175039 is an apocalyptic number.

52175039 is a deficient number, since it is larger than the sum of its proper divisors (9503809).

52175039 is a wasteful number, since it uses less digits than its factorization.

52175039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 52175039 is about 7223.2291255366. The cubic root of 52175039 is about 373.6694511413.

The spelling of 52175039 in words is "fifty-two million, one hundred seventy-five thousand, thirty-nine".

Divisors: 1 7 43 97 301 679 1787 4171 12509 29197 76841 173339 537887 1213373 7453577 52175039