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33481730 = 2528311831
BaseRepresentation
bin111111110111…
…0010000000010
32100000001022002
41333232100002
532032403410
63153344002
7554406242
oct177562002
970001262
1033481730
1117999357
12b268002
136c23999
144637b22
152e157a5
hex1fee402

33481730 has 16 divisors (see below), whose sum is σ = 60485184. Its totient is φ = 13344240.

The previous prime is 33481729. The next prime is 33481739. The reversal of 33481730 is 3718433.

It is a super-2 number, since 2×334817302 = 2242052487585800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33481693 and 33481702.

It is not an unprimeable number, because it can be changed into a prime (33481739) 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, 3086 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (3780324).

Almost surely, 233481730 is an apocalyptic number.

33481730 is a deficient number, since it is larger than the sum of its proper divisors (27003454).

33481730 is a wasteful number, since it uses less digits than its factorization.

33481730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 33481730 is about 5786.3399485340. The cubic root of 33481730 is about 322.3066725844.

The spelling of 33481730 in words is "thirty-three million, four hundred eighty-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 283 566 1415 2830 11831 23662 59155 118310 3348173 6696346 16740865 33481730