Search a number
-
+
52528917 = 377931663
BaseRepresentation
bin1100100001100…
…0011100010101
310122211202010110
43020120130111
5101421411132
65113513233
71205326350
oct310303425
9118752113
1052528917
1127718831
1215712819
13ab624cc
146d95297
1549291cc
hex3218715

52528917 has 16 divisors (see below), whose sum is σ = 81059840. Its totient is φ = 29635632.

The previous prime is 52528909. The next prime is 52528919. The reversal of 52528917 is 71982525.

It is not a de Polignac number, because 52528917 - 23 = 52528909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52528919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14173 + ... + 17490.

It is an arithmetic number, because the mean of its divisors is an integer number (5066240).

Almost surely, 252528917 is an apocalyptic number.

It is an amenable number.

52528917 is a deficient number, since it is larger than the sum of its proper divisors (28530923).

52528917 is a wasteful number, since it uses less digits than its factorization.

52528917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31752.

The product of its digits is 50400, while the sum is 39.

The square root of 52528917 is about 7247.6835609731. The cubic root of 52528917 is about 374.5123545912.

The spelling of 52528917 in words is "fifty-two million, five hundred twenty-eight thousand, nine hundred seventeen".

Divisors: 1 3 7 21 79 237 553 1659 31663 94989 221641 664923 2501377 7504131 17509639 52528917