Search a number
-
+
9144212 = 2271122699
BaseRepresentation
bin100010111000…
…011110010100
3122012120111112
4202320132110
54320103322
6523554152
7140503340
oct42703624
918176445
109144212
115186200
12308b958
131b8219c
141300620
15c095e2
hex8b8794

9144212 has 36 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 3561360.

The previous prime is 9144209. The next prime is 9144221. The reversal of 9144212 is 2124419.

It is a super-2 number, since 2×91442122 = 167233226201888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2039 + ... + 4737.

It is an arithmetic number, because the mean of its divisors is an integer number (558600).

Almost surely, 29144212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9144212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10054800).

9144212 is an abundant number, since it is smaller than the sum of its proper divisors (10965388).

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

9144212 is a wasteful number, since it uses less digits than its factorization.

9144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2719 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 9144212 is about 3023.9398142159. The cubic root of 9144212 is about 209.1135117457.

The spelling of 9144212 in words is "nine million, one hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 2699 3388 5398 10796 18893 29689 37786 59378 75572 118756 207823 326579 415646 653158 831292 1306316 2286053 4572106 9144212