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20010268 = 2219263293
BaseRepresentation
bin100110001010…
…1010100011100
31101122121221001
41030111110130
520110312033
61552520044
7332040655
oct114252434
941577831
1020010268
1110328013
126850024
1341b7cc5
14292c52c
151b53e7d
hex131551c

20010268 has 12 divisors (see below), whose sum is σ = 36861160. Its totient is φ = 9478512.

The previous prime is 20010259. The next prime is 20010269. The reversal of 20010268 is 86201002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010269) 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 3 ways as a sum of consecutive naturals, for example, 131571 + ... + 131722.

Almost surely, 220010268 is an apocalyptic number.

It is an amenable number.

20010268 is a deficient number, since it is larger than the sum of its proper divisors (16850892).

20010268 is a wasteful number, since it uses less digits than its factorization.

20010268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263316 (or 263314 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20010268 is about 4473.2838049916. The cubic root of 20010268 is about 271.4882064456.

The spelling of 20010268 in words is "twenty million, ten thousand, two hundred sixty-eight".

Divisors: 1 2 4 19 38 76 263293 526586 1053172 5002567 10005134 20010268