Search a number
-
+
172480017 = 3293317619
BaseRepresentation
bin10100100011111…
…01011000010001
3110000112220002210
422101331120101
5323123330032
625040502333
74163025123
oct1221753021
9400486083
10172480017
11893a6876
124991a9a9
13299700a8
1418c9b213
15102202cc
hexa47d611

172480017 has 16 divisors (see below), whose sum is σ = 231860160. Its totient is φ = 114048192.

The previous prime is 172479961. The next prime is 172480037. The reversal of 172480017 is 710084271.

It is not a de Polignac number, because 172480017 - 28 = 172479761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172480037) 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 15 ways as a sum of consecutive naturals, for example, 278334 + ... + 278952.

It is an arithmetic number, because the mean of its divisors is an integer number (14491260).

Almost surely, 2172480017 is an apocalyptic number.

It is an amenable number.

172480017 is a deficient number, since it is larger than the sum of its proper divisors (59380143).

172480017 is a wasteful number, since it uses less digits than its factorization.

172480017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 172480017 is about 13133.1647747220. The cubic root of 172480017 is about 556.6466444725.

The spelling of 172480017 in words is "one hundred seventy-two million, four hundred eighty thousand, seventeen".

Divisors: 1 3 293 317 619 879 951 1857 92881 181367 196223 278643 544101 588669 57493339 172480017