Search a number
-
+
33168224 = 2517193209
BaseRepresentation
bin111111010000…
…1101101100000
32022102010020202
41332201231200
531442340344
63142524332
7551632235
oct176415540
968363222
1033168224
11177a4861
12b1366a8
136b4408b
14459578c
152da294e
hex1fa1b60

33168224 has 48 divisors (see below), whose sum is σ = 72802800. Its totient is φ = 14782464.

The previous prime is 33168203. The next prime is 33168227. The reversal of 33168224 is 42286133.

It is a super-2 number, since 2×331682242 = 2200262166628352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33168227) 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 7 ways as a sum of consecutive naturals, for example, 8732 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (1516725).

Almost surely, 233168224 is an apocalyptic number.

33168224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33168224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36401400).

33168224 is an abundant number, since it is smaller than the sum of its proper divisors (39634576).

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

33168224 is a wasteful number, since it uses less digits than its factorization.

33168224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3247 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 33168224 is about 5759.1860536017. The cubic root of 33168224 is about 321.2975440743.

The spelling of 33168224 in words is "thirty-three million, one hundred sixty-eight thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 17 19 32 34 38 68 76 136 152 272 304 323 544 608 646 1292 2584 3209 5168 6418 10336 12836 25672 51344 54553 60971 102688 109106 121942 218212 243884 436424 487768 872848 975536 1036507 1745696 1951072 2073014 4146028 8292056 16584112 33168224