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20314433 = 1011391447
BaseRepresentation
bin100110101111…
…1100101000001
31102020002011102
41031133211001
520200030213
62003224145
7334445516
oct115374501
942202142
1020314433
1110515597
126978055
134293599
1429ab30d
151bb4158
hex135f941

20314433 has 8 divisors (see below), whose sum is σ = 20677440. Its totient is φ = 19954800.

The previous prime is 20314429. The next prime is 20314453. The reversal of 20314433 is 33441302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20314433 - 22 = 20314429 is a prime.

It is a super-2 number, since 2×203144332 = 825352376222978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20314453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13316 + ... + 14762.

It is an arithmetic number, because the mean of its divisors is an integer number (2584680).

Almost surely, 220314433 is an apocalyptic number.

It is an amenable number.

20314433 is a deficient number, since it is larger than the sum of its proper divisors (363007).

20314433 is a wasteful number, since it uses less digits than its factorization.

20314433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20314433 is about 4507.1535363242. The cubic root of 20314433 is about 272.8568755162.

Adding to 20314433 its reverse (33441302), we get a palindrome (53755735).

The spelling of 20314433 in words is "twenty million, three hundred fourteen thousand, four hundred thirty-three".

Divisors: 1 101 139 1447 14039 146147 201133 20314433