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33052081 = 231437047
BaseRepresentation
bin111111000010…
…1010110110001
32022012012221011
41332011112301
531430131311
63140230521
7550636516
oct176052661
968165834
1033052081
1117725577
12b09b441
136b0325a
14456530d
152d7d321
hex1f855b1

33052081 has 4 divisors (see below), whose sum is σ = 34489152. Its totient is φ = 31615012.

The previous prime is 33052067. The next prime is 33052087. The reversal of 33052081 is 18025033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33052081 - 211 = 33050033 is a prime.

It is a super-2 number, since 2×330520812 = 2184880116861122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33052087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718501 + ... + 718546.

It is an arithmetic number, because the mean of its divisors is an integer number (8622288).

Almost surely, 233052081 is an apocalyptic number.

It is an amenable number.

33052081 is a deficient number, since it is larger than the sum of its proper divisors (1437071).

33052081 is a wasteful number, since it uses less digits than its factorization.

33052081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437070.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 33052081 is about 5749.0939286117. The cubic root of 33052081 is about 320.9220832940.

The spelling of 33052081 in words is "thirty-three million, fifty-two thousand, eighty-one".

Divisors: 1 23 1437047 33052081