Search a number
-
+
45380173 = 231973051
BaseRepresentation
bin1010110100011…
…1001001001101
310011101112220011
42231013021031
543104131143
64300353221
71060503466
oct255071115
9104345804
1045380173
1123685883
1213245811
13952b697
146053d6d
153eb5e9d
hex2b4724d

45380173 has 4 divisors (see below), whose sum is σ = 47353248. Its totient is φ = 43407100.

The previous prime is 45380161. The next prime is 45380177. The reversal of 45380173 is 37108354.

45380173 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45380173 - 25 = 45380141 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45380177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986503 + ... + 986548.

It is an arithmetic number, because the mean of its divisors is an integer number (11838312).

Almost surely, 245380173 is an apocalyptic number.

It is an amenable number.

45380173 is a deficient number, since it is larger than the sum of its proper divisors (1973075).

45380173 is a wasteful number, since it uses less digits than its factorization.

45380173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973074.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 45380173 is about 6736.4807577844. The cubic root of 45380173 is about 356.6881782621.

The spelling of 45380173 in words is "forty-five million, three hundred eighty thousand, one hundred seventy-three".

Divisors: 1 23 1973051 45380173