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228966630 = 2357632221
BaseRepresentation
bin11011010010111…
…00000011100110
3120221211201011120
431221130003212
5432103413010
634415314410
75450120124
oct1551340346
9527751146
10228966630
11108278022
126481ba06
1338589b19
14225a2914
151517be70
hexda5c0e6

228966630 has 16 divisors (see below), whose sum is σ = 549519984. Its totient is φ = 61057760.

The previous prime is 228966623. The next prime is 228966637. The reversal of 228966630 is 36669822.

228966630 is digitally balanced in base 2, 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 (228966623) and next prime (228966637).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228966637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816081 + ... + 3816140.

It is an arithmetic number, because the mean of its divisors is an integer number (34344999).

Almost surely, 2228966630 is an apocalyptic number.

228966630 is an abundant number, since it is smaller than the sum of its proper divisors (320553354).

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

228966630 is a wasteful number, since it uses less digits than its factorization.

228966630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632231.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 228966630 is about 15131.6433344168. The cubic root of 228966630 is about 611.7735983867.

The spelling of 228966630 in words is "two hundred twenty-eight million, nine hundred sixty-six thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7632221 15264442 22896663 38161105 45793326 76322210 114483315 228966630