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228084330 = 23523330557
BaseRepresentation
bin11011001100001…
…00101001101010
3120220011212212210
431212010221222
5431342144310
634344345550
75436453615
oct1546045152
9526155783
10228084330
11107825151
12644752b6
133833b356
142241317c
1515055820
hexd984a6a

228084330 has 32 divisors (see below), whose sum is σ = 571204224. Its totient is φ = 58177856.

The previous prime is 228084323. The next prime is 228084331. The reversal of 228084330 is 33480822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (228084331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 164589 + ... + 165968.

It is an arithmetic number, because the mean of its divisors is an integer number (17850132).

Almost surely, 2228084330 is an apocalyptic number.

228084330 is an abundant number, since it is smaller than the sum of its proper divisors (343119894).

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

228084330 is a wasteful number, since it uses less digits than its factorization.

228084330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330590.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 228084330 is about 15102.4610577217. The cubic root of 228084330 is about 610.9867840990.

The spelling of 228084330 in words is "two hundred twenty-eight million, eighty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 330557 661114 991671 1652785 1983342 3305570 4958355 7602811 9916710 15205622 22808433 38014055 45616866 76028110 114042165 228084330