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8086993 = 79102367
BaseRepresentation
bin11110110110010111010001
3120012212021021
4132312113101
54032240433
6445155441
7125511145
oct36662721
916185237
108086993
114623972
12285bb81
1318a1c05
141107225
15a9b22d
hex7b65d1

8086993 has 4 divisors (see below), whose sum is σ = 8189440. Its totient is φ = 7984548.

The previous prime is 8086943. The next prime is 8086999. The reversal of 8086993 is 3996808.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8086993 is a prime.

It is a super-3 number, since 3×80869933 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8086999) 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, 51105 + ... + 51262.

It is an arithmetic number, because the mean of its divisors is an integer number (2047360).

Almost surely, 28086993 is an apocalyptic number.

It is an amenable number.

8086993 is a deficient number, since it is larger than the sum of its proper divisors (102447).

8086993 is a wasteful number, since it uses less digits than its factorization.

8086993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102446.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 8086993 is about 2843.7638790870. The cubic root of 8086993 is about 200.7223297248.

The spelling of 8086993 in words is "eight million, eighty-six thousand, nine hundred ninety-three".

Divisors: 1 79 102367 8086993