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20486200 = 2352714633
BaseRepresentation
bin100111000100…
…1100000111000
31102112210210011
41032021200320
520221024300
62011031304
7336062350
oct116114070
942483704
1020486200
1110622649
126a3b534
134323817
142a13b60
151be9eba
hex1389838

20486200 has 48 divisors (see below), whose sum is σ = 54438480. Its totient is φ = 7023360.

The previous prime is 20486177. The next prime is 20486203. The reversal of 20486200 is 268402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486203) 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, 5917 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (1134135).

Almost surely, 220486200 is an apocalyptic number.

20486200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20486200 is an abundant number, since it is smaller than the sum of its proper divisors (33952280).

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

20486200 is a wasteful number, since it uses less digits than its factorization.

20486200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14656 (or 14647 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20486200 is about 4526.1683574520. The cubic root of 20486200 is about 273.6237576693.

The spelling of 20486200 in words is "twenty million, four hundred eighty-six thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 14633 29266 58532 73165 102431 117064 146330 204862 292660 365825 409724 512155 585320 731650 819448 1024310 1463300 2048620 2560775 2926600 4097240 5121550 10243100 20486200