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230630774 = 21134730211
BaseRepresentation
bin11011011111100…
…10010101110110
3121001222020221112
431233302111312
5433020141044
634515115022
75500220633
oct1557622566
9531866845
10230630774
11109204350
12652a2a72
1338a2041a
14228b718a
15153aa09e
hexdbf2576

230630774 has 16 divisors (see below), whose sum is σ = 378495936. Its totient is φ = 104526600.

The previous prime is 230630767. The next prime is 230630779. The reversal of 230630774 is 477036032.

It is a self number, because there is not a number n which added to its sum of digits gives 230630774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230630779) 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, 7472 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (23655996).

Almost surely, 2230630774 is an apocalyptic number.

230630774 is a deficient number, since it is larger than the sum of its proper divisors (147865162).

230630774 is a wasteful number, since it uses less digits than its factorization.

230630774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30571.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 230630774 is about 15186.5326523206. The cubic root of 230630774 is about 613.2521585097.

The spelling of 230630774 in words is "two hundred thirty million, six hundred thirty thousand, seven hundred seventy-four".

Divisors: 1 2 11 22 347 694 3817 7634 30211 60422 332321 664642 10483217 20966434 115315387 230630774