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228140230 = 2522814023
BaseRepresentation
bin11011001100100…
…10010011000110
3120220021201120011
431212102103012
5431400441410
634345500434
75440105603
oct1546222306
9526251504
10228140230
1110786314a
12644a171a
133835a926
14224296aa
151506718a
hexd9924c6

228140230 has 8 divisors (see below), whose sum is σ = 410652432. Its totient is φ = 91256088.

The previous prime is 228140219. The next prime is 228140251. The reversal of 228140230 is 32041822.

228140230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11407002 + ... + 11407021.

It is an arithmetic number, because the mean of its divisors is an integer number (51331554).

Almost surely, 2228140230 is an apocalyptic number.

228140230 is a deficient number, since it is larger than the sum of its proper divisors (182512202).

228140230 is a wasteful number, since it uses less digits than its factorization.

228140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22814030.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 228140230 is about 15104.3116360859. The cubic root of 228140230 is about 611.0366945442.

The spelling of 228140230 in words is "two hundred twenty-eight million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 22814023 45628046 114070115 228140230