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227466680 = 2357812381
BaseRepresentation
bin11011000111011…
…01110110111000
3120212000111121212
431203231312320
5431212413210
634323222252
75431302110
oct1543556670
9525014555
10227466680
111074430a1
1264217988
133818318c
14222d2040
1514e82805
hexd8eddb8

227466680 has 32 divisors (see below), whose sum is σ = 584915040. Its totient is φ = 77988480.

The previous prime is 227466677. The next prime is 227466709. The reversal of 227466680 is 86664722.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 405911 + ... + 406470.

It is an arithmetic number, because the mean of its divisors is an integer number (18278595).

Almost surely, 2227466680 is an apocalyptic number.

227466680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227466680 is an abundant number, since it is smaller than the sum of its proper divisors (357448360).

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

227466680 is a wasteful number, since it uses less digits than its factorization.

227466680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812399 (or 812395 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 227466680 is about 15081.9985413074. The cubic root of 227466680 is about 610.4347702247.

The spelling of 227466680 in words is "two hundred twenty-seven million, four hundred sixty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 812381 1624762 3249524 4061905 5686667 6499048 8123810 11373334 16247620 22746668 28433335 32495240 45493336 56866670 113733340 227466680