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10003780 = 2252232243
BaseRepresentation
bin100110001010…
…010101000100
3200211020121101
4212022111010
510030110110
6554225444
7151013353
oct46122504
920736541
1010003780
115712a96
123425284
1320c34c7
14148599a
15d2913a
hex98a544

10003780 has 24 divisors (see below), whose sum is σ = 21111552. Its totient is φ = 3981792.

The previous prime is 10003759. The next prime is 10003783. The reversal of 10003780 is 8730001.

It is a super-2 number, since 2×100037802 = 200151228576800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10003783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (879648).

Almost surely, 210003780 is an apocalyptic number.

10003780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10003780 is an abundant number, since it is smaller than the sum of its proper divisors (11107772).

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

10003780 is a wasteful number, since it uses less digits than its factorization.

10003780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2473 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 10003780 is about 3162.8752741770. The cubic root of 10003780 is about 215.4706114606.

Adding to 10003780 its reverse (8730001), we get a palindrome (18733781).

The spelling of 10003780 in words is "ten million, three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 223 446 892 1115 2230 2243 4460 4486 8972 11215 22430 44860 500189 1000378 2000756 2500945 5001890 10003780