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33040089 = 333313697
BaseRepresentation
bin111111000001…
…0011011011001
32022011121111000
41332002123121
531424240324
63140055213
7550556535
oct176023331
968147430
1033040089
1117717565
12b094509
136aca964
144560bc5
152d799c9
hex1f826d9

33040089 has 16 divisors (see below), whose sum is σ = 49109440. Its totient is φ = 21954240.

The previous prime is 33040081. The next prime is 33040103. The reversal of 33040089 is 98004033.

It is not a de Polignac number, because 33040089 - 23 = 33040081 is a prime.

It is a super-2 number, since 2×330400892 = 2183294962255842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33040081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7089 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (3069340).

Almost surely, 233040089 is an apocalyptic number.

It is an amenable number.

33040089 is a deficient number, since it is larger than the sum of its proper divisors (16069351).

33040089 is a wasteful number, since it uses less digits than its factorization.

33040089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 33040089 is about 5748.0508870399. The cubic root of 33040089 is about 320.8832661400.

The spelling of 33040089 in words is "thirty-three million, forty thousand, eighty-nine".

Divisors: 1 3 9 27 331 993 2979 3697 8937 11091 33273 99819 1223707 3671121 11013363 33040089