Search a number
-
+
33242912 = 252331247
BaseRepresentation
bin111111011001…
…1111100100000
32022112220200222
41332303330200
532002233122
63144302212
7552363053
oct176637440
968486628
1033242912
111784598a
12b171968
136b6c081
1445b4a9a
152db9b42
hex1fb3f20

33242912 has 72 divisors (see below), whose sum is σ = 72067968. Its totient is φ = 15058560.

The previous prime is 33242897. The next prime is 33242933. The reversal of 33242912 is 21924233.

It is a super-2 number, since 2×332429122 = 2210182396479488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707273 + ... + 707319.

It is an arithmetic number, because the mean of its divisors is an integer number (1000944).

Almost surely, 233242912 is an apocalyptic number.

33242912 is a gapful number since it is divisible by the number (32) 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 33242912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36033984).

33242912 is an abundant number, since it is smaller than the sum of its proper divisors (38825056).

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

33242912 is a wasteful number, since it uses less digits than its factorization.

33242912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 103 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 33242912 is about 5765.6666570311. Note that the first 4 decimals coincide. The cubic root of 33242912 is about 321.5385285511.

The spelling of 33242912 in words is "thirty-three million, two hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 23 31 32 46 47 62 92 94 124 184 188 248 368 376 496 713 736 752 961 992 1081 1426 1457 1504 1922 2162 2852 2914 3844 4324 5704 5828 7688 8648 11408 11656 15376 17296 22103 22816 23312 30752 33511 34592 44206 45167 46624 67022 88412 90334 134044 176824 180668 268088 353648 361336 536176 707296 722672 1038841 1072352 1445344 2077682 4155364 8310728 16621456 33242912