Search a number
-
+
10173145 = 58922861
BaseRepresentation
bin100110110011…
…101011011001
3201010211221011
4212303223121
510101020040
61002013521
7152320213
oct46635331
921124834
1010173145
115819264
1234a72a1
132152618
1414cb5b3
15d5e3ea
hex9b3ad9

10173145 has 8 divisors (see below), whose sum is σ = 12345480. Its totient is φ = 8046720.

The previous prime is 10173143. The next prime is 10173169. The reversal of 10173145 is 54137101.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 8462281 = 1308^2 + 2909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10173145 - 21 = 10173143 is a prime.

It is a super-3 number, since 3×101731453 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10173143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10986 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (1543185).

Almost surely, 210173145 is an apocalyptic number.

It is an amenable number.

10173145 is a deficient number, since it is larger than the sum of its proper divisors (2172335).

10173145 is an equidigital number, since it uses as much as digits as its factorization.

10173145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22955.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10173145 is about 3189.5368002266. The cubic root of 10173145 is about 216.6797927616.

The spelling of 10173145 in words is "ten million, one hundred seventy-three thousand, one hundred forty-five".

Divisors: 1 5 89 445 22861 114305 2034629 10173145