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8028090 = 2325712743
BaseRepresentation
bin11110100111111110111010
3120002212110200
4132213332322
54023344330
6444023030
7125144340
oct36477672
916085420
108028090
114593694
122831a76
131881165
1410cd990
15a88a60
hex7a7fba

8028090 has 48 divisors (see below), whose sum is σ = 23856768. Its totient is φ = 1834848.

The previous prime is 8028077. The next prime is 8028107. The reversal of 8028090 is 908208.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5742 + ... + 7001.

It is an arithmetic number, because the mean of its divisors is an integer number (497016).

Almost surely, 28028090 is an apocalyptic number.

8028090 is an abundant number, since it is smaller than the sum of its proper divisors (15828678).

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

8028090 is a wasteful number, since it uses less digits than its factorization.

8028090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763 (or 12760 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 8028090 is about 2833.3884308368. The cubic root of 8028090 is about 200.2338098915.

The spelling of 8028090 in words is "eight million, twenty-eight thousand, ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 12743 25486 38229 63715 76458 89201 114687 127430 178402 191145 229374 267603 382290 446005 535206 573435 802809 892010 1146870 1338015 1605618 2676030 4014045 8028090