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10159109 = 17775717
BaseRepresentation
bin100110110000…
…010000000101
3201010010200022
4212300100011
510100042414
61001424525
7152231252
oct46602005
921103608
1010159109
115809764
12349b145
13214910c
1414c6429
15d5a18e
hex9b0405

10159109 has 4 divisors (see below), whose sum is σ = 10166604. Its totient is φ = 10151616.

The previous prime is 10159087. The next prime is 10159133. The reversal of 10159109 is 90195101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90195101 = 827109063.

It can be written as a sum of positive squares in 2 ways, for example, as 5536609 + 4622500 = 2353^2 + 2150^2 .

It is a cyclic number.

It is not a de Polignac number, because 10159109 - 28 = 10158853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10159139) 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, 1082 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (2541651).

Almost surely, 210159109 is an apocalyptic number.

It is an amenable number.

10159109 is a deficient number, since it is larger than the sum of its proper divisors (7495).

10159109 is an equidigital number, since it uses as much as digits as its factorization.

10159109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 10159109 is about 3187.3357212569. The cubic root of 10159109 is about 216.5800950655.

The spelling of 10159109 in words is "ten million, one hundred fifty-nine thousand, one hundred nine".

Divisors: 1 1777 5717 10159109