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20274033 = 3131015147
BaseRepresentation
bin100110101010…
…1101101110001
31102011000202010
41031111231301
520142232113
62002313133
7334216653
oct115255561
942130663
1020274033
11104981aa
1269587a9
13427b090
14299a6d3
151ba71c3
hex1355b71

20274033 has 16 divisors (see below), whose sum is σ = 29405376. Its totient is φ = 12350400.

The previous prime is 20274019. The next prime is 20274041. The reversal of 20274033 is 33047202.

It is a happy number.

It is not a de Polignac number, because 20274033 - 220 = 19225457 is a prime.

It is a super-2 number, since 2×202740332 = 822072828170178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20274073) 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, 1366 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (1837836).

Almost surely, 220274033 is an apocalyptic number.

It is an amenable number.

20274033 is a deficient number, since it is larger than the sum of its proper divisors (9131343).

20274033 is a wasteful number, since it uses less digits than its factorization.

20274033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20274033 is about 4502.6695415054. The cubic root of 20274033 is about 272.6758755771.

The spelling of 20274033 in words is "twenty million, two hundred seventy-four thousand, thirty-three".

Divisors: 1 3 13 39 101 303 1313 3939 5147 15441 66911 200733 519847 1559541 6758011 20274033