Search a number
-
+
10505007 = 324632521
BaseRepresentation
bin101000000100…
…101100101111
3201202201011100
4220010230233
510142130012
61013054143
7155201562
oct50045457
921681140
1010505007
115a25627
123627353
13223a6a6
1415764d9
15dc78dc
hexa04b2f

10505007 has 12 divisors (see below), whose sum is σ = 15212704. Its totient is φ = 6985440.

The previous prime is 10504999. The next prime is 10505039. The reversal of 10505007 is 70050501.

It is a happy number.

It is not a de Polignac number, because 10505007 - 23 = 10504999 is a prime.

It is a super-2 number, since 2×105050072 = 220710344140098, 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 (10505107) 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 11 ways as a sum of consecutive naturals, for example, 2907 + ... + 5427.

Almost surely, 210505007 is an apocalyptic number.

10505007 is a deficient number, since it is larger than the sum of its proper divisors (4707697).

10505007 is a wasteful number, since it uses less digits than its factorization.

10505007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 10505007 is about 3241.1428539946. The cubic root of 10505007 is about 219.0107582130.

Adding to 10505007 its reverse (70050501), we get a palindrome (80555508).

The spelling of 10505007 in words is "ten million, five hundred five thousand, seven".

Divisors: 1 3 9 463 1389 2521 4167 7563 22689 1167223 3501669 10505007