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820010300 = 225217482359
BaseRepresentation
bin110000111000000…
…101110100111100
32010010222211122212
4300320011310330
53134410312200
6213211355552
726214654404
oct6070056474
92103884585
10820010300
1139096896a
121aa752bb8
13100b6abc5
147ac97804
154becb035
hex30e05d3c

820010300 has 36 divisors (see below), whose sum is σ = 1884098160. Its totient is φ = 308709120.

The previous prime is 820010297. The next prime is 820010309. The reversal of 820010300 is 3010028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820010309) 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, 239480 + ... + 242879.

It is an arithmetic number, because the mean of its divisors is an integer number (52336060).

Almost surely, 2820010300 is an apocalyptic number.

It is an amenable number.

820010300 is an abundant number, since it is smaller than the sum of its proper divisors (1064087860).

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

820010300 is a wasteful number, since it uses less digits than its factorization.

820010300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482390 (or 482383 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 820010300 is about 28635.8219717891. The cubic root of 820010300 is about 935.9940812809.

Adding to 820010300 its reverse (3010028), we get a palindrome (823020328).

The spelling of 820010300 in words is "eight hundred twenty million, ten thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 482359 964718 1929436 2411795 4823590 8200103 9647180 12058975 16400206 24117950 32800412 41000515 48235900 82001030 164002060 205002575 410005150 820010300