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20585341 = 721922111
BaseRepresentation
bin100111010000…
…1101101111101
31102201211210001
41032201231331
520232212331
62013114301
7336654400
oct116415575
942654701
1020585341
1110690087
126a88991
13435999a
142a3bd37
151c19561
hex13a1b7d

20585341 has 12 divisors (see below), whose sum is σ = 25207680. Its totient is φ = 16715160.

The previous prime is 20585329. The next prime is 20585381. The reversal of 20585341 is 14358502.

It is not a de Polignac number, because 20585341 - 211 = 20583293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20585381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10125 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (2100640).

Almost surely, 220585341 is an apocalyptic number.

20585341 is the 2620-th hex number.

It is an amenable number.

20585341 is a deficient number, since it is larger than the sum of its proper divisors (4622339).

20585341 is a wasteful number, since it uses less digits than its factorization.

20585341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22144 (or 22137 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 20585341 is about 4537.1071179773. The cubic root of 20585341 is about 274.0644395298.

The spelling of 20585341 in words is "twenty million, five hundred eighty-five thousand, three hundred forty-one".

Divisors: 1 7 19 49 133 931 22111 154777 420109 1083439 2940763 20585341