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20033713 = 723124433
BaseRepresentation
bin100110001101…
…1000010110001
31101200211002101
41030123002301
520112034323
61553220401
7332166220
oct114330261
941624071
1020033713
1110343697
126861701
1341c588b
142936cb7
151b5adad
hex131b0b1

20033713 has 8 divisors (see below), whose sum is σ = 23891328. Its totient is φ = 16425024.

The previous prime is 20033683. The next prime is 20033729. The reversal of 20033713 is 31733002.

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

It is a de Polignac number, because none of the positive numbers 2k-20033713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033753) 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, 62056 + ... + 62377.

It is an arithmetic number, because the mean of its divisors is an integer number (2986416).

Almost surely, 220033713 is an apocalyptic number.

20033713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20033713 is a deficient number, since it is larger than the sum of its proper divisors (3857615).

20033713 is a wasteful number, since it uses less digits than its factorization.

20033713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124463.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 20033713 is about 4475.9035959234. The cubic root of 20033713 is about 271.5941946438.

Adding to 20033713 its reverse (31733002), we get a palindrome (51766715).

The spelling of 20033713 in words is "twenty million, thirty-three thousand, seven hundred thirteen".

Divisors: 1 7 23 161 124433 871031 2861959 20033713