Search a number
-
+
53079005 = 572216649
BaseRepresentation
bin1100101001111…
…0101111011101
310200212200201002
43022132233131
5102042012010
65133400045
71213110200
oct312365735
9120780632
1053079005
1127a64051
1215939025
13acc59c5
147099937
1549d71a5
hex329ebdd

53079005 has 12 divisors (see below), whose sum is σ = 74094300. Its totient is φ = 36396864.

The previous prime is 53078999. The next prime is 53079041. The reversal of 53079005 is 50097035.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 43112356 = 3157^2 + 6566^2 .

It is not a de Polignac number, because 53079005 - 216 = 53013469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108080 + ... + 108569.

It is an arithmetic number, because the mean of its divisors is an integer number (6174525).

Almost surely, 253079005 is an apocalyptic number.

It is an amenable number.

53079005 is a deficient number, since it is larger than the sum of its proper divisors (21015295).

53079005 is a wasteful number, since it uses less digits than its factorization.

53079005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216668 (or 216661 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 53079005 is about 7285.5339543509. The cubic root of 53079005 is about 375.8151276355.

The spelling of 53079005 in words is "fifty-three million, seventy-nine thousand, five".

Divisors: 1 5 7 35 49 245 216649 1083245 1516543 7582715 10615801 53079005