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230378776 = 23109726251
BaseRepresentation
bin11011011101101…
…00110100011000
3121001111110021021
431232310310120
5432434110101
634505452224
75465121145
oct1556646430
9531443237
10230378776
11109051a91
12651a1074
1338962804
142284d3cc
151535a5a1
hexdbb4d18

230378776 has 16 divisors (see below), whose sum is σ = 432370440. Its totient is φ = 115080000.

The previous prime is 230378767. The next prime is 230378777. The reversal of 230378776 is 677873032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230378777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350 + ... + 21901.

Almost surely, 2230378776 is an apocalyptic number.

It is an amenable number.

230378776 is a deficient number, since it is larger than the sum of its proper divisors (201991664).

230378776 is a wasteful number, since it uses less digits than its factorization.

230378776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27354 (or 27350 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 230378776 is about 15178.2336258209. The cubic root of 230378776 is about 613.0287210875.

It can be divided in two parts, 23037 and 8776, that added together give a palindrome (31813).

The spelling of 230378776 in words is "two hundred thirty million, three hundred seventy-eight thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 1097 2194 4388 8776 26251 52502 105004 210008 28797347 57594694 115189388 230378776