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20033701 = 179712149
BaseRepresentation
bin100110001101…
…1000010100101
31101200211001221
41030123002211
520112034301
61553220341
7332166202
oct114330245
941624057
1020033701
1110343686
1268616b1
1341c587c
142936ca9
151b5ada1
hex131b0a5

20033701 has 8 divisors (see below), whose sum is σ = 21432600. Its totient is φ = 18659328.

The previous prime is 20033683. The next prime is 20033729. The reversal of 20033701 is 10733002.

It can be written as a sum of positive squares in 4 ways, for example, as 11189025 + 8844676 = 3345^2 + 2974^2 .

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 20033701 - 25 = 20033669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (2679075).

Almost surely, 220033701 is an apocalyptic number.

It is an amenable number.

20033701 is a deficient number, since it is larger than the sum of its proper divisors (1398899).

20033701 is a wasteful number, since it uses less digits than its factorization.

20033701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 20033701 is about 4475.9022554118. The cubic root of 20033701 is about 271.5941404164.

Adding to 20033701 its reverse (10733002), we get a palindrome (30766703).

The spelling of 20033701 in words is "twenty million, thirty-three thousand, seven hundred one".

Divisors: 1 17 97 1649 12149 206533 1178453 20033701