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33005052 = 22321973661
BaseRepresentation
bin111110111100…
…1110111111100
32022002211102100
41331321313330
531422130202
63135225100
7550352433
oct175716774
968084370
1033005052
11176a3203
12b078190
136ab7a22
14455211a
152d6e41c
hex1f79dfc

33005052 has 72 divisors (see below), whose sum is σ = 89158160. Its totient is φ = 10264320.

The previous prime is 33005051. The next prime is 33005053. The reversal of 33005052 is 25050033.

It is an interprime number because it is at equal distance from previous prime (33005051) and next prime (33005053).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33005051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49602 + ... + 50262.

Almost surely, 233005052 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 33005052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44579080).

33005052 is an abundant number, since it is smaller than the sum of its proper divisors (56153108).

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

33005052 is a wasteful number, since it uses less digits than its factorization.

33005052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 33005052 is about 5745.0023498690. The cubic root of 33005052 is about 320.7698003093.

Adding to 33005052 its reverse (25050033), we get a palindrome (58055085).

The spelling of 33005052 in words is "thirty-three million, five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 73 76 114 146 171 219 228 292 342 438 657 661 684 876 1314 1322 1387 1983 2628 2644 2774 3966 4161 5548 5949 7932 8322 11898 12483 12559 16644 23796 24966 25118 37677 48253 49932 50236 75354 96506 113031 144759 150708 193012 226062 289518 434277 452124 579036 868554 916807 1737108 1833614 2750421 3667228 5500842 8251263 11001684 16502526 33005052