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10561172 = 223178329
BaseRepresentation
bin101000010010…
…011010010100
3201212120012112
4220102122110
510200424142
61014210152
7155524406
oct50223224
921776175
1010561172
115a63846
123653958
13225a11b
14158cb76
15dd9382
hexa12694

10561172 has 12 divisors (see below), whose sum is σ = 18542580. Its totient is φ = 5263296.

The previous prime is 10561157. The next prime is 10561181. The reversal of 10561172 is 27116501.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 9647236 = 956^2 + 3106^2 .

It is a super-2 number, since 2×105611722 = 223076708027168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (1545215).

Almost surely, 210561172 is an apocalyptic number.

It is an amenable number.

10561172 is a deficient number, since it is larger than the sum of its proper divisors (7981408).

10561172 is a wasteful number, since it uses less digits than its factorization.

10561172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650 (or 8648 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 10561172 is about 3249.7956858855. The cubic root of 10561172 is about 219.4003782027.

Adding to 10561172 its reverse (27116501), we get a palindrome (37677673).

The spelling of 10561172 in words is "ten million, five hundred sixty-one thousand, one hundred seventy-two".

Divisors: 1 2 4 317 634 1268 8329 16658 33316 2640293 5280586 10561172