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10004531 = 10399629
BaseRepresentation
bin100110001010…
…100000110011
3200211021122012
4212022200303
510030121111
6554233135
7151015505
oct46124063
920737565
1010004531
115713609
1234257ab
1320c3954
141485d75
15d2948b
hex98a833

10004531 has 4 divisors (see below), whose sum is σ = 10015200. Its totient is φ = 9993864.

The previous prime is 10004521. The next prime is 10004543. The reversal of 10004531 is 13540001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10004531 is a prime.

It is a super-2 number, since 2×100045312 = 200181281059922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10004521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (2503800).

Almost surely, 210004531 is an apocalyptic number.

10004531 is a deficient number, since it is larger than the sum of its proper divisors (10669).

10004531 is an equidigital number, since it uses as much as digits as its factorization.

10004531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10004531 is about 3162.9939930389. The cubic root of 10004531 is about 215.4760032352.

Adding to 10004531 its reverse (13540001), we get a palindrome (23544532).

The spelling of 10004531 in words is "ten million, four thousand, five hundred thirty-one".

Divisors: 1 1039 9629 10004531