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20104300 = 2252238741
BaseRepresentation
bin100110010110…
…0010001101100
31101211101220201
41030230101230
520121314200
61554523244
7332612056
oct114542154
941741821
1020104300
1110391727
126896524
13421ba48
1429548d6
151b71c6a
hex132c46c

20104300 has 36 divisors (see below), whose sum is σ = 45528336. Its totient is φ = 7691200.

The previous prime is 20104241. The next prime is 20104307. The reversal of 20104300 is 340102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20104307) 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 11 ways as a sum of consecutive naturals, for example, 2071 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (1264676).

Almost surely, 220104300 is an apocalyptic number.

20104300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20104300 is an abundant number, since it is smaller than the sum of its proper divisors (25424036).

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

20104300 is a wasteful number, since it uses less digits than its factorization.

20104300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20104300 is about 4483.7818858638. The cubic root of 20104300 is about 271.9128000466.

Adding to 20104300 its reverse (340102), we get a palindrome (20444402).

The spelling of 20104300 in words is "twenty million, one hundred four thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 575 1150 2300 8741 17482 34964 43705 87410 174820 201043 218525 402086 437050 804172 874100 1005215 2010430 4020860 5026075 10052150 20104300