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228030806 = 24316316267
BaseRepresentation
bin11011001011101…
…11100101010110
3120220002011110102
431211313211112
5431333441211
634343254102
75436141563
oct1545674526
9526064412
10228030806
11107798a13
126444a332
133831cb93
14223db86a
1515044a3b
hexd977956

228030806 has 16 divisors (see below), whose sum is σ = 352169664. Its totient is φ = 110673864.

The previous prime is 228030791. The next prime is 228030821. The reversal of 228030806 is 608030822.

It is an interprime number because it is at equal distance from previous prime (228030791) and next prime (228030821).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 5885 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (22010604).

Almost surely, 2228030806 is an apocalyptic number.

228030806 is a deficient number, since it is larger than the sum of its proper divisors (124138858).

228030806 is a wasteful number, since it uses less digits than its factorization.

228030806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16475.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 228030806 is about 15100.6889246815. The cubic root of 228030806 is about 610.9389874280.

The spelling of 228030806 in words is "two hundred twenty-eight million, thirty thousand, eight hundred six".

Divisors: 1 2 43 86 163 326 7009 14018 16267 32534 699481 1398962 2651521 5303042 114015403 228030806