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10409020 = 225520451
BaseRepresentation
bin100111101101…
…010000111100
3201120211111021
4213231100330
510131042040
61011033524
7154321666
oct47552074
921524437
1010409020
11596a4a6
12359b8a4
132205aab
14154d536
15da924a
hex9ed43c

10409020 has 12 divisors (see below), whose sum is σ = 21858984. Its totient is φ = 4163600.

The previous prime is 10408969. The next prime is 10409033. The reversal of 10409020 is 2090401.

It is a junction number, because it is equal to n+sod(n) for n = 10408985 and 10409003.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 260206 + ... + 260245.

It is an arithmetic number, because the mean of its divisors is an integer number (1821582).

Almost surely, 210409020 is an apocalyptic number.

10409020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10409020 is an abundant number, since it is smaller than the sum of its proper divisors (11449964).

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

10409020 is a wasteful number, since it uses less digits than its factorization.

10409020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520460 (or 520458 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10409020 is about 3226.3012878527. The cubic root of 10409020 is about 218.3416632734.

Adding to 10409020 its reverse (2090401), we get a palindrome (12499421).

The spelling of 10409020 in words is "ten million, four hundred nine thousand, twenty".

Divisors: 1 2 4 5 10 20 520451 1040902 2081804 2602255 5204510 10409020