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20107339 = 719273109
BaseRepresentation
bin100110010110…
…1000001001011
31101211120002021
41030231001023
520121413324
61554545311
7332623660
oct114550113
941746067
1020107339
1110393a3a
126898237
134220245
142955a67
151b72ae4
hex132d04b

20107339 has 24 divisors (see below), whose sum is σ = 24810720. Its totient is φ = 15956352.

The previous prime is 20107337. The next prime is 20107349. The reversal of 20107339 is 93370102.

It is not a de Polignac number, because 20107339 - 21 = 20107337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20107337) 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 23 ways as a sum of consecutive naturals, for example, 184417 + ... + 184525.

It is an arithmetic number, because the mean of its divisors is an integer number (1033780).

Almost surely, 220107339 is an apocalyptic number.

20107339 is a deficient number, since it is larger than the sum of its proper divisors (4703381).

20107339 is a wasteful number, since it uses less digits than its factorization.

20107339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 20107339 is about 4484.1207610857. The cubic root of 20107339 is about 271.9265002892.

The spelling of 20107339 in words is "twenty million, one hundred seven thousand, three hundred thirty-nine".

Divisors: 1 7 19 73 109 133 361 511 763 1387 2071 2527 7957 9709 14497 26353 39349 55699 151183 184471 275443 1058281 2872477 20107339