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10109147 = 19352379
BaseRepresentation
bin100110100100…
…000011011011
3201000121010212
4212210003123
510041443042
61000401335
7151632506
oct46440333
921017125
1010109147
115785174
12347624b
13212c459
1414b213d
15d4a482
hex9a40db

10109147 has 4 divisors (see below), whose sum is σ = 10161720. Its totient is φ = 10056576.

The previous prime is 10109137. The next prime is 10109153. The reversal of 10109147 is 74190101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74190101 = 711044931.

It is a cyclic number.

It is not a de Polignac number, because 10109147 - 218 = 9847003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10109137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25997 + ... + 26382.

It is an arithmetic number, because the mean of its divisors is an integer number (2540430).

Almost surely, 210109147 is an apocalyptic number.

10109147 is a deficient number, since it is larger than the sum of its proper divisors (52573).

10109147 is an equidigital number, since it uses as much as digits as its factorization.

10109147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52572.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 10109147 is about 3179.4884808724. The cubic root of 10109147 is about 216.2244680115.

Adding to 10109147 its reverse (74190101), we get a palindrome (84299248).

The spelling of 10109147 in words is "ten million, one hundred nine thousand, one hundred forty-seven".

Divisors: 1 193 52379 10109147