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20593242 = 2325919391
BaseRepresentation
bin100111010001…
…1101001011010
31102202020121200
41032203221122
520232440432
62013215030
7340016415
oct116435132
942666550
1020593242
111069600a
126a91476
134360467
142a40b7c
151c1ba7c
hex13a3a5a

20593242 has 24 divisors (see below), whose sum is σ = 45377280. Its totient is φ = 6747720.

The previous prime is 20593217. The next prime is 20593249. The reversal of 20593242 is 24239502.

It is not an unprimeable number, because it can be changed into a prime (20593249) 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 11 ways as a sum of consecutive naturals, for example, 8634 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (1890720).

Almost surely, 220593242 is an apocalyptic number.

20593242 is an abundant number, since it is smaller than the sum of its proper divisors (24784038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20593242 is a wasteful number, since it uses less digits than its factorization.

20593242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19458 (or 19455 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20593242 is about 4537.9777434448. The cubic root of 20593242 is about 274.0994985581.

The spelling of 20593242 in words is "twenty million, five hundred ninety-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 19391 38782 58173 116346 174519 349038 1144069 2288138 3432207 6864414 10296621 20593242