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10089181 = 13277603
BaseRepresentation
bin100110011111…
…001011011101
3200222120202101
4212133023131
510040323211
61000125101
7151520344
oct46371335
920876671
1010089181
115771173
123466791
13212333b
1414a8b5b
15d445c1
hex99f2dd

10089181 has 4 divisors (see below), whose sum is σ = 10098112. Its totient is φ = 10080252.

The previous prime is 10089173. The next prime is 10089199. The reversal of 10089181 is 18198001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10089181 - 23 = 10089173 is a prime.

It is a super-2 number, since 2×100891812 = 203583146501522, 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 (10089481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2475 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (2524528).

Almost surely, 210089181 is an apocalyptic number.

It is an amenable number.

10089181 is a deficient number, since it is larger than the sum of its proper divisors (8931).

10089181 is an equidigital number, since it uses as much as digits as its factorization.

10089181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8930.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 10089181 is about 3176.3471157920. The cubic root of 10089181 is about 216.0820233183.

The spelling of 10089181 in words is "ten million, eighty-nine thousand, one hundred eighty-one".

Divisors: 1 1327 7603 10089181