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8293090 = 251363793
BaseRepresentation
bin11111101000101011100010
3120121022222111
4133220223202
54110334330
6453425534
7130330051
oct37505342
916538874
108293090
1147547a3
12293b2aa
131944970
14115c398
15adc32a
hex7e8ae2

8293090 has 16 divisors (see below), whose sum is σ = 16076088. Its totient is φ = 3062016.

The previous prime is 8293079. The next prime is 8293121. The reversal of 8293090 is 903928.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7403841 + 889249 = 2721^2 + 943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31767 + ... + 32026.

Almost surely, 28293090 is an apocalyptic number.

8293090 is a deficient number, since it is larger than the sum of its proper divisors (7782998).

8293090 is a wasteful number, since it uses less digits than its factorization.

8293090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63813.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 8293090 is about 2879.7725604638. The cubic root of 8293090 is about 202.4131823136.

The spelling of 8293090 in words is "eight million, two hundred ninety-three thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 63793 127586 318965 637930 829309 1658618 4146545 8293090