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8139077 = 46317579
BaseRepresentation
bin11111000011000101000101
3120022111201022
4133003011011
54040422302
6450240525
7126116042
oct37030505
916274638
108139077
11465a011
122886145
1318bc82b
14111c1c9
15aab8a2
hex7c3145

8139077 has 4 divisors (see below), whose sum is σ = 8157120. Its totient is φ = 8121036.

The previous prime is 8139071. The next prime is 8139113. The reversal of 8139077 is 7709318.

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 not a de Polignac number, because 8139077 - 26 = 8139013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139071) 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, 8327 + ... + 9252.

It is an arithmetic number, because the mean of its divisors is an integer number (2039280).

Almost surely, 28139077 is an apocalyptic number.

It is an amenable number.

8139077 is a deficient number, since it is larger than the sum of its proper divisors (18043).

8139077 is a wasteful number, since it uses less digits than its factorization.

8139077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18042.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 8139077 is about 2852.9067632855. The cubic root of 8139077 is about 201.1523230075.

The spelling of 8139077 in words is "eight million, one hundred thirty-nine thousand, seventy-seven".

Divisors: 1 463 17579 8139077