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10557361 = 46122901
BaseRepresentation
bin101000010001…
…011110110001
3201212100222101
4220101132301
510200313421
61014140401
7155510323
oct50213661
921770871
1010557361
115a609a1
123651701
132258479
14158b613
15dd8191
hexa117b1

10557361 has 4 divisors (see below), whose sum is σ = 10580724. Its totient is φ = 10534000.

The previous prime is 10557359. The next prime is 10557373. The reversal of 10557361 is 16375501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16375501 = 73922159.

It can be written as a sum of positive squares in 2 ways, for example, as 7667361 + 2890000 = 2769^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 10557361 - 21 = 10557359 is a prime.

It is a super-2 number, since 2×105573612 = 222915742568642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10557461) 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, 10990 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (2645181).

Almost surely, 210557361 is an apocalyptic number.

It is an amenable number.

10557361 is a deficient number, since it is larger than the sum of its proper divisors (23363).

10557361 is an equidigital number, since it uses as much as digits as its factorization.

10557361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23362.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 10557361 is about 3249.2092884270. The cubic root of 10557361 is about 219.3739848114.

The spelling of 10557361 in words is "ten million, five hundred fifty-seven thousand, three hundred sixty-one".

Divisors: 1 461 22901 10557361