Search a number
-
+
2167172 = 227211057
BaseRepresentation
bin1000010001000110000100
311002002210122
420101012010
51023322142
6114241112
724264200
oct10210604
94062718
102167172
111250257
12886198
135ab567
14405b00
152cc1d2
hex211184

2167172 has 18 divisors (see below), whose sum is σ = 4412142. Its totient is φ = 928704.

The previous prime is 2167163. The next prime is 2167183. The reversal of 2167172 is 2717612.

It can be written as a sum of positive squares in only one way, i.e., 1552516 + 614656 = 1246^2 + 784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5333 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (245119).

22167172 is an apocalyptic number.

It is an amenable number.

2167172 is an abundant number, since it is smaller than the sum of its proper divisors (2244970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2167172 is a wasteful number, since it uses less digits than its factorization.

2167172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075 (or 11066 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 2167172 is about 1472.1317875788. The cubic root of 2167172 is about 129.4089937666.

The spelling of 2167172 in words is "two million, one hundred sixty-seven thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 11057 22114 44228 77399 154798 309596 541793 1083586 2167172