Search a number
-
+
227443642 = 21923433601
BaseRepresentation
bin11011000111010…
…00001110111010
3120211222100000121
431203220032322
5431211144032
634322523454
75431144666
oct1543501672
9524870017
10227443642
11107427858
126420658a
133817584a
14222c78a6
1514e7aa97
hexd8e83ba

227443642 has 32 divisors (see below), whose sum is σ = 376225920. Its totient is φ = 102643200.

The previous prime is 227443639. The next prime is 227443679. The reversal of 227443642 is 246344722.

227443642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2274436422 = 103461220572448328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 227443598 and 227443607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378142 + ... + 378742.

It is an arithmetic number, because the mean of its divisors is an integer number (11757060).

Almost surely, 2227443642 is an apocalyptic number.

227443642 is a deficient number, since it is larger than the sum of its proper divisors (148782278).

227443642 is a wasteful number, since it uses less digits than its factorization.

227443642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its digits is 64512, while the sum is 34.

The square root of 227443642 is about 15081.2347637718. The cubic root of 227443642 is about 610.4141610948.

The spelling of 227443642 in words is "two hundred twenty-seven million, four hundred forty-three thousand, six hundred forty-two".

Divisors: 1 2 19 23 38 46 433 437 601 866 874 1202 8227 9959 11419 13823 16454 19918 22838 27646 189221 260233 262637 378442 520466 525274 4944427 5985359 9888854 11970718 113721821 227443642