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10450109 = 28137189
BaseRepresentation
bin100111110111…
…010010111101
3201122220212002
4213313102331
510133400414
61011552045
7154552535
oct47672275
921586762
1010450109
11599835a
1235bb625
13221b6c7
1415604c5
15db64de
hex9f74bd

10450109 has 4 divisors (see below), whose sum is σ = 10487580. Its totient is φ = 10412640.

The previous prime is 10450091. The next prime is 10450117. The reversal of 10450109 is 90105401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8265625 + 2184484 = 2875^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 10450109 - 216 = 10384573 is a prime.

It is a super-2 number, since 2×104501092 = 218409556223762, 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 (10450009) 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, 18314 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (2621895).

Almost surely, 210450109 is an apocalyptic number.

It is an amenable number.

10450109 is a deficient number, since it is larger than the sum of its proper divisors (37471).

10450109 is an equidigital number, since it uses as much as digits as its factorization.

10450109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37470.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10450109 is about 3232.6628342591. The cubic root of 10450109 is about 218.6285830691.

The spelling of 10450109 in words is "ten million, four hundred fifty thousand, one hundred nine".

Divisors: 1 281 37189 10450109