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7995113 = 71142159
BaseRepresentation
bin11110011111111011101001
3120001012020022
4132133323221
54021320423
6443210225
7124646240
oct36377351
916035208
107995113
114570935
122816975
13186c149
1410c1957
15a7ddc8
hex79fee9

7995113 has 4 divisors (see below), whose sum is σ = 9137280. Its totient is φ = 6852948.

The previous prime is 7995109. The next prime is 7995131. The reversal of 7995113 is 3115997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3115997 = 7939443.

It is a cyclic number.

It is not a de Polignac number, because 7995113 - 22 = 7995109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7995173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571073 + ... + 571086.

It is an arithmetic number, because the mean of its divisors is an integer number (2284320).

Almost surely, 27995113 is an apocalyptic number.

It is an amenable number.

7995113 is a deficient number, since it is larger than the sum of its proper divisors (1142167).

7995113 is a wasteful number, since it uses less digits than its factorization.

7995113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142166.

The product of its digits is 8505, while the sum is 35.

The square root of 7995113 is about 2827.5630850611. The cubic root of 7995113 is about 199.9592667046.

The spelling of 7995113 in words is "seven million, nine hundred ninety-five thousand, one hundred thirteen".

Divisors: 1 7 1142159 7995113