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33089172 = 2235352027
BaseRepresentation
bin111111000111…
…0011010010100
32022021002210220
41332032122110
531432323142
63141114340
7551152614
oct176163224
968232726
1033089172
1117750426
12b0b89b0
136b170bc
144574a44
152d892ec
hex1f8e694

33089172 has 24 divisors (see below), whose sum is σ = 78666336. Its totient is φ = 10821408.

The previous prime is 33089171. The next prime is 33089179. The reversal of 33089172 is 27198033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33089171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25378 + ... + 26649.

It is an arithmetic number, because the mean of its divisors is an integer number (3277764).

Almost surely, 233089172 is an apocalyptic number.

It is an amenable number.

33089172 is an abundant number, since it is smaller than the sum of its proper divisors (45577164).

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

33089172 is a wasteful number, since it uses less digits than its factorization.

33089172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52087 (or 52085 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 33089172 is about 5752.3188367823. The cubic root of 33089172 is about 321.0420845241.

The spelling of 33089172 in words is "thirty-three million, eighty-nine thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 52027 104054 156081 208108 312162 624324 2757431 5514862 8272293 11029724 16544586 33089172