Search a number
-
+
52973091 = 325999761
BaseRepresentation
bin1100101000010…
…0111000100011
310200200022102100
43022010320203
5102030114331
65131221443
71212156333
oct312047043
9120608370
1052973091
11279a1516
12158a7883
13ac89732
14706d0c3
1549b5ae6
hex3284e23

52973091 has 12 divisors (see below), whose sum is σ = 77814360. Its totient is φ = 34716480.

The previous prime is 52973057. The next prime is 52973093. The reversal of 52973091 is 19037925.

It is not a de Polignac number, because 52973091 - 215 = 52940323 is a prime.

It is a super-2 number, since 2×529730912 = 5612296740188562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52973093) 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 11 ways as a sum of consecutive naturals, for example, 49350 + ... + 50411.

It is an arithmetic number, because the mean of its divisors is an integer number (6484530).

Almost surely, 252973091 is an apocalyptic number.

52973091 is a deficient number, since it is larger than the sum of its proper divisors (24841269).

52973091 is a wasteful number, since it uses less digits than its factorization.

52973091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99826 (or 99823 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 52973091 is about 7278.2615369331. The cubic root of 52973091 is about 375.5649936583.

The spelling of 52973091 in words is "fifty-two million, nine hundred seventy-three thousand, ninety-one".

Divisors: 1 3 9 59 177 531 99761 299283 897849 5885899 17657697 52973091