Search a number
-
+
169122 = 2371397
BaseRepresentation
bin101001010010100010
322120222210
4221102202
520402442
63342550
71303032
oct512242
9276883
10169122
11106078
1281a56
135bc95
14458c2
153519c
hex294a2

169122 has 16 divisors (see below), whose sum is σ = 343872. Its totient is φ = 55440.

The previous prime is 169111. The next prime is 169129. The reversal of 169122 is 221961.

It is not an unprimeable number, because it can be changed into a prime (169129) by changing a digit.

169122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 624.

It is an arithmetic number, because the mean of its divisors is an integer number (21492).

2169122 is an apocalyptic number.

169122 is an abundant number, since it is smaller than the sum of its proper divisors (174750).

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

169122 is a wasteful number, since it uses less digits than its factorization.

169122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 216, while the sum is 21.

The square root of 169122 is about 411.2444528501. The cubic root of 169122 is about 55.3010488919.

The spelling of 169122 in words is "one hundred sixty-nine thousand, one hundred twenty-two".

Divisors: 1 2 3 6 71 142 213 397 426 794 1191 2382 28187 56374 84561 169122