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10508047 = 11955277
BaseRepresentation
bin101000000101…
…011100001111
3201202212022221
4220011130033
510142224142
61013120211
7155213464
oct50053417
921685287
1010508047
115a27940
123629067
13223bba4
14157766b
15dc8767
hexa0570f

10508047 has 4 divisors (see below), whose sum is σ = 11463336. Its totient is φ = 9552760.

The previous prime is 10508021. The next prime is 10508051. The reversal of 10508047 is 74080501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10508047 - 215 = 10475279 is a prime.

It is a super-2 number, since 2×105080472 = 220838103508418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10508087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477628 + ... + 477649.

It is an arithmetic number, because the mean of its divisors is an integer number (2865834).

Almost surely, 210508047 is an apocalyptic number.

10508047 is a deficient number, since it is larger than the sum of its proper divisors (955289).

10508047 is an equidigital number, since it uses as much as digits as its factorization.

10508047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955288.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 10508047 is about 3241.6117904524. The cubic root of 10508047 is about 219.0318823776.

Adding to 10508047 its reverse (74080501), we get a palindrome (84588548).

The spelling of 10508047 in words is "ten million, five hundred eight thousand, forty-seven".

Divisors: 1 11 955277 10508047