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20008300 = 22521315391
BaseRepresentation
bin100110001010…
…0110101101100
31101122112020011
41030110311230
520110231200
61552503004
7332032144
oct114246554
941575204
1020008300
1110326594
12684aa64
1341b7140
14292b924
151b535ba
hex1314d6c

20008300 has 36 divisors (see below), whose sum is σ = 46760896. Its totient is φ = 7387200.

The previous prime is 20008291. The next prime is 20008301. The reversal of 20008300 is 380002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20008301) 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, 6396 + ... + 8995.

Almost surely, 220008300 is an apocalyptic number.

20008300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20008300 is an abundant number, since it is smaller than the sum of its proper divisors (26752596).

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

20008300 is a wasteful number, since it uses less digits than its factorization.

20008300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418 (or 15411 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20008300 is about 4473.0638269535. The cubic root of 20008300 is about 271.4793059100.

Adding to 20008300 its reverse (380002), we get a palindrome (20388302).

The spelling of 20008300 in words is "twenty million, eight thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 15391 30782 61564 76955 153910 200083 307820 384775 400166 769550 800332 1000415 1539100 2000830 4001660 5002075 10004150 20008300