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10115020 = 225618291
BaseRepresentation
bin100110100101…
…011111001100
3201000220012101
4212211133030
510042140040
61000444444
7151655566
oct46453714
921026171
1010115020
115789623
123479724
132132026
1414b4336
15d4c09a
hex9a57cc

10115020 has 24 divisors (see below), whose sum is σ = 21592368. Its totient is φ = 3979200.

The previous prime is 10115003. The next prime is 10115041. The reversal of 10115020 is 2051101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10114988 and 10115006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (899682).

Almost surely, 210115020 is an apocalyptic number.

10115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10115020 is an abundant number, since it is smaller than the sum of its proper divisors (11477348).

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

10115020 is a wasteful number, since it uses less digits than its factorization.

10115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361 (or 8359 counting only the distinct ones).

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

The square root of 10115020 is about 3180.4119230062. The cubic root of 10115020 is about 216.2663324228.

Adding to 10115020 its reverse (2051101), we get a palindrome (12166121).

The spelling of 10115020 in words is "ten million, one hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 8291 16582 33164 41455 82910 165820 505751 1011502 2023004 2528755 5057510 10115020