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10194489 = 321132721
BaseRepresentation
bin100110111000…
…111000111001
3201011221012200
4212320320321
510102210424
61002300413
7152436354
oct46707071
921157180
1010194489
1158332a8
1234b7709
13215c256
1414d529b
15d658c9
hex9b8e39

10194489 has 6 divisors (see below), whose sum is σ = 14725386. Its totient is φ = 6796320.

The previous prime is 10194487. The next prime is 10194493. The reversal of 10194489 is 98449101.

10194489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10188864 + 5625 = 3192^2 + 75^2 .

It is not a de Polignac number, because 10194489 - 21 = 10194487 is a prime.

It is a super-2 number, since 2×101944892 = 207855211942242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10194487) 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 5 ways as a sum of consecutive naturals, for example, 566352 + ... + 566369.

It is an arithmetic number, because the mean of its divisors is an integer number (2454231).

Almost surely, 210194489 is an apocalyptic number.

It is an amenable number.

10194489 is a deficient number, since it is larger than the sum of its proper divisors (4530897).

10194489 is a wasteful number, since it uses less digits than its factorization.

10194489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132727 (or 1132724 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 10194489 is about 3192.8809874469. The cubic root of 10194489 is about 216.8312235749.

The spelling of 10194489 in words is "ten million, one hundred ninety-four thousand, four hundred eighty-nine".

Divisors: 1 3 9 1132721 3398163 10194489