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8128230 = 2351124631
BaseRepresentation
bin11111000000011011100110
3120021221211120
4133000123212
54040100410
6450114410
7126042315
oct37003346
916257746
108128230
114651950
12287ba06
1318b7906
14111827c
15aa8570
hex7c06e6

8128230 has 32 divisors (see below), whose sum is σ = 21282048. Its totient is φ = 1970400.

The previous prime is 8128217. The next prime is 8128243. The reversal of 8128230 is 328218.

8128230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8128217) and next prime (8128243).

It is a self number, because there is not a number n which added to its sum of digits gives 8128230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11986 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (665064).

Almost surely, 28128230 is an apocalyptic number.

8128230 is an abundant number, since it is smaller than the sum of its proper divisors (13153818).

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

8128230 is a wasteful number, since it uses less digits than its factorization.

8128230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24652.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8128230 is about 2851.0050859302. The cubic root of 8128230 is about 201.0629242856.

The spelling of 8128230 in words is "eight million, one hundred twenty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 24631 49262 73893 123155 147786 246310 270941 369465 541882 738930 812823 1354705 1625646 2709410 4064115 8128230