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8135092 = 227290539
BaseRepresentation
bin11111000010000110110100
3120022022020201
4133002012310
54040310332
6450210244
7126101320
oct37020664
916268221
108135092
114657019
122883984
1318baa84
14111a980
15aaa5e7
hex7c21b4

8135092 has 12 divisors (see below), whose sum is σ = 16270240. Its totient is φ = 3486456.

The previous prime is 8135081. The next prime is 8135093. The reversal of 8135092 is 2905318.

8135092 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 290539 = 8135092 / (8 + 1 + 3 + 5 + 0 + 9 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 8135092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135093) 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, 145242 + ... + 145297.

Almost surely, 28135092 is an apocalyptic number.

It is an amenable number.

8135092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8135092 is a wasteful number, since it uses less digits than its factorization.

8135092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290550 (or 290548 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 8135092 is about 2852.2082672905. The cubic root of 8135092 is about 201.1194887002.

The spelling of 8135092 in words is "eight million, one hundred thirty-five thousand, ninety-two".

Divisors: 1 2 4 7 14 28 290539 581078 1162156 2033773 4067546 8135092