Search a number
-
+
173010049 = 1321130969
BaseRepresentation
bin10100100111111…
…10110010000001
3110001112211011121
422103332302001
5323242310144
625100112241
74200363322
oct1223766201
9401484147
10173010049
1189729013
1249b35681
1329ac7414
1418d98449
15102c7384
hexa4fec81

173010049 has 4 divisors (see below), whose sum is σ = 173142340. Its totient is φ = 172877760.

The previous prime is 173010023. The next prime is 173010107. The reversal of 173010049 is 940010371.

173010049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940010371 = 1789525439.

It can be written as a sum of positive squares in 2 ways, for example, as 163200625 + 9809424 = 12775^2 + 3132^2 .

It is a cyclic number.

It is not a de Polignac number, because 173010049 - 221 = 170912897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173016049) 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, 64164 + ... + 66805.

It is an arithmetic number, because the mean of its divisors is an integer number (43285585).

Almost surely, 2173010049 is an apocalyptic number.

It is an amenable number.

173010049 is a deficient number, since it is larger than the sum of its proper divisors (132291).

173010049 is a wasteful number, since it uses less digits than its factorization.

173010049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132290.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 173010049 is about 13153.3284380798. The cubic root of 173010049 is about 557.2162540886.

The spelling of 173010049 in words is "one hundred seventy-three million, ten thousand, forty-nine".

Divisors: 1 1321 130969 173010049