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230943974 = 21921013167
BaseRepresentation
bin11011100001111…
…10110011100110
3121002120011120112
431300332303212
5433110201344
634525533022
75502664022
oct1560766346
9532504515
10230943974
111093a8698
1265414172
1338accb51
1422959382
151541cc9e
hexdc3ece6

230943974 has 24 divisors (see below), whose sum is σ = 369344448. Its totient is φ = 108277200.

The previous prime is 230943959. The next prime is 230943983. The reversal of 230943974 is 479349032.

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 11 ways as a sum of consecutive naturals, for example, 71339 + ... + 74505.

It is an arithmetic number, because the mean of its divisors is an integer number (15389352).

Almost surely, 2230943974 is an apocalyptic number.

230943974 is a deficient number, since it is larger than the sum of its proper divisors (138400474).

230943974 is a wasteful number, since it uses less digits than its factorization.

230943974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 230943974 is about 15196.8409217179. The cubic root of 230943974 is about 613.5296347739.

The spelling of 230943974 in words is "two hundred thirty million, nine hundred forty-three thousand, nine hundred seventy-four".

Divisors: 1 2 19 38 101 202 361 722 1919 3167 3838 6334 36461 60173 72922 120346 319867 639734 1143287 2286574 6077473 12154946 115471987 230943974