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10117715 = 52023543
BaseRepresentation
bin100110100110…
…001001010011
3201001000220012
4212212021103
510042231330
61000505135
7151666466
oct46461123
921030805
1010117715
115790653
12347b1ab
13213331a
1414b52dd
15d4cc95
hex9a6253

10117715 has 4 divisors (see below), whose sum is σ = 12141264. Its totient is φ = 8094168.

The previous prime is 10117699. The next prime is 10117717. The reversal of 10117715 is 51771101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51771101 = 67772703.

It is a cyclic number.

It is not a de Polignac number, because 10117715 - 24 = 10117699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10117717) 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, 1011767 + ... + 1011776.

It is an arithmetic number, because the mean of its divisors is an integer number (3035316).

Almost surely, 210117715 is an apocalyptic number.

10117715 is a deficient number, since it is larger than the sum of its proper divisors (2023549).

10117715 is an equidigital number, since it uses as much as digits as its factorization.

10117715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023548.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 10117715 is about 3180.8355820444. The cubic root of 10117715 is about 216.2855377238.

Adding to 10117715 its reverse (51771101), we get a palindrome (61888816).

The spelling of 10117715 in words is "ten million, one hundred seventeen thousand, seven hundred fifteen".

Divisors: 1 5 2023543 10117715