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58165133 = 134474241
BaseRepresentation
bin1101110111100…
…0011110001101
311001110002120012
43131320132031
5104342241013
65434403005
71304252435
oct335703615
9131402505
1058165133
112a918364
1217590465
13c086a50
147a212c5
15518e1a8
hex377878d

58165133 has 4 divisors (see below), whose sum is σ = 62639388. Its totient is φ = 53690880.

The previous prime is 58165123. The next prime is 58165139. The reversal of 58165133 is 33156185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33156185 = 56631237.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 55547209 = 1618^2 + 7453^2 .

It is a cyclic number.

It is not a de Polignac number, because 58165133 - 28 = 58164877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 58165133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58165139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237108 + ... + 2237133.

It is an arithmetic number, because the mean of its divisors is an integer number (15659847).

Almost surely, 258165133 is an apocalyptic number.

It is an amenable number.

58165133 is a deficient number, since it is larger than the sum of its proper divisors (4474255).

58165133 is a wasteful number, since it uses less digits than its factorization.

58165133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474254.

The product of its digits is 10800, while the sum is 32.

The square root of 58165133 is about 7626.6069126447. The cubic root of 58165133 is about 387.4546777378.

The spelling of 58165133 in words is "fifty-eight million, one hundred sixty-five thousand, one hundred thirty-three".

Divisors: 1 13 4474241 58165133