Search a number
-
+
172830164 = 221331110687
BaseRepresentation
bin10100100110100…
…10110111010100
3110001012200102012
422103102313110
5323221031124
625052203352
74166014013
oct1223226724
9401180365
10172830164
1189615951
1249a69558
1329a63590
1418d4ca7a
151028de0e
hexa4d2dd4

172830164 has 24 divisors (see below), whose sum is σ = 326796288. Its totient is φ = 79503840.

The previous prime is 172830131. The next prime is 172830179. The reversal of 172830164 is 461038271.

172830164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 172830164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10829 + ... + 21515.

It is an arithmetic number, because the mean of its divisors is an integer number (13616512).

Almost surely, 2172830164 is an apocalyptic number.

It is an amenable number.

172830164 is a deficient number, since it is larger than the sum of its proper divisors (153966124).

172830164 is a wasteful number, since it uses less digits than its factorization.

172830164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11015 (or 11013 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 172830164 is about 13146.4886566718. The cubic root of 172830164 is about 557.0230676122.

The spelling of 172830164 in words is "one hundred seventy-two million, eight hundred thirty thousand, one hundred sixty-four".

Divisors: 1 2 4 13 26 52 311 622 1244 4043 8086 10687 16172 21374 42748 138931 277862 555724 3323657 6647314 13294628 43207541 86415082 172830164