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8427495 = 351733049
BaseRepresentation
bin100000001001…
…011111100111
3120212011100110
4200021133213
54124134440
6500344103
7131426646
oct40113747
916764313
108427495
11483677a
1229a5033
131990bab
14119535d
15b17080
hex8097e7

8427495 has 16 divisors (see below), whose sum is σ = 14277600. Its totient is φ = 4230144.

The previous prime is 8427491. The next prime is 8427521. The reversal of 8427495 is 5947248.

8427495 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8427495 - 22 = 8427491 is a prime.

It is a d-powerful number, because it can be written as 83 + 47 + 223 + 74 + 47 + 92 + 55 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16270 + ... + 16779.

It is an arithmetic number, because the mean of its divisors is an integer number (892350).

Almost surely, 28427495 is an apocalyptic number.

8427495 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8427495 is a deficient number, since it is larger than the sum of its proper divisors (5850105).

8427495 is a wasteful number, since it uses less digits than its factorization.

8427495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33074.

The product of its digits is 80640, while the sum is 39.

The square root of 8427495 is about 2903.0148122254. The cubic root of 8427495 is about 203.5008220159.

The spelling of 8427495 in words is "eight million, four hundred twenty-seven thousand, four hundred ninety-five".

Divisors: 1 3 5 15 17 51 85 255 33049 99147 165245 495735 561833 1685499 2809165 8427495