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10561005 = 3257132579
BaseRepresentation
bin101000010010…
…010111101101
3201212112222100
4220102113231
510200423010
61014205313
7155524050
oct50222755
921775870
1010561005
115a63704
123653839
13225a020
14158ca97
15dd92c0
hexa125ed

10561005 has 48 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 4454784.

The previous prime is 10560997. The next prime is 10561013. The reversal of 10561005 is 50016501.

10561005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10560997) and next prime (10561013).

It is not a de Polignac number, because 10561005 - 23 = 10560997 is a prime.

It is a super-2 number, since 2×105610052 = 223069653220050, 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 47 ways as a sum of consecutive naturals, for example, 2806 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (469560).

Almost surely, 210561005 is an apocalyptic number.

10561005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10561005 is an abundant number, since it is smaller than the sum of its proper divisors (11977875).

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

10561005 is a wasteful number, since it uses less digits than its factorization.

10561005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 10561005 is about 3249.7699918610. The cubic root of 10561005 is about 219.3992217636.

Adding to 10561005 its reverse (50016501), we get a palindrome (60577506).

The spelling of 10561005 in words is "ten million, five hundred sixty-one thousand, five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 195 273 315 455 585 819 1365 2579 4095 7737 12895 18053 23211 33527 38685 54159 90265 100581 116055 162477 167635 234689 270795 301743 502905 704067 812385 1173445 1508715 2112201 3520335 10561005