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10118945 = 53783659
BaseRepresentation
bin100110100110…
…011100100001
3201001002120202
4212212130201
510042301240
61000514545
7152003204
oct46463441
921032522
1010118945
115791571
12347ba55
132133a55
1414b593b
15d4d315
hex9a6721

10118945 has 16 divisors (see below), whose sum is σ = 12640320. Its totient is φ = 7769664.

The previous prime is 10118939. The next prime is 10118947. The reversal of 10118945 is 54981101.

It is a cyclic number.

It is not a de Polignac number, because 10118945 - 24 = 10118929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10118947) 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 15 ways as a sum of consecutive naturals, for example, 15026 + ... + 15684.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 210118945 is an apocalyptic number.

It is an amenable number.

10118945 is a deficient number, since it is larger than the sum of its proper divisors (2521375).

10118945 is an equidigital number, since it uses as much as digits as its factorization.

10118945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 10118945 is about 3181.0289215913. The cubic root of 10118945 is about 216.2943019039.

The spelling of 10118945 in words is "ten million, one hundred eighteen thousand, nine hundred forty-five".

Divisors: 1 5 37 83 185 415 659 3071 3295 15355 24383 54697 121915 273485 2023789 10118945