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10640189 = 74732341
BaseRepresentation
bin101000100101…
…101100111101
3202000120121002
4220211230331
510210441224
61020020045
7156303650
oct50455475
922016532
1010640189
11600814a
123691625
132287091
1415ad897
15e029ae
hexa25b3d

10640189 has 8 divisors (see below), whose sum is σ = 12419328. Its totient is φ = 8925840.

The previous prime is 10640173. The next prime is 10640207. The reversal of 10640189 is 98104601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10640189 - 24 = 10640173 is a prime.

It is a super-2 number, since 2×106401892 = 226427243911442, 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 (10640159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15842 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (1552416).

Almost surely, 210640189 is an apocalyptic number.

It is an amenable number.

10640189 is a deficient number, since it is larger than the sum of its proper divisors (1779139).

10640189 is an equidigital number, since it uses as much as digits as its factorization.

10640189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32395.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10640189 is about 3261.9302567652. The cubic root of 10640189 is about 219.9461920748.

The spelling of 10640189 in words is "ten million, six hundred forty thousand, one hundred eighty-nine".

Divisors: 1 7 47 329 32341 226387 1520027 10640189