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230802430 = 25473111579
BaseRepresentation
bin11011100000111…
…00001111111110
3121002021222102011
431300130033332
5433041134210
634522521434
75501534245
oct1560341776
9532258364
10230802430
11109311311
126536627a
1338a805b1
142291d95c
15153e0d8a
hexdc1c3fe

230802430 has 32 divisors (see below), whose sum is σ = 425917440. Its totient is φ = 90009120.

The previous prime is 230802427. The next prime is 230802431. The reversal of 230802430 is 34208032.

It is a super-3 number, since 3×2308024303 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230802431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 145381 + ... + 146959.

It is an arithmetic number, because the mean of its divisors is an integer number (13309920).

Almost surely, 2230802430 is an apocalyptic number.

230802430 is a deficient number, since it is larger than the sum of its proper divisors (195115010).

230802430 is a wasteful number, since it uses less digits than its factorization.

230802430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 230802430 is about 15192.1831874158. The cubic root of 230802430 is about 613.4042664364.

The spelling of 230802430 in words is "two hundred thirty million, eight hundred two thousand, four hundred thirty".

Divisors: 1 2 5 10 47 94 235 311 470 622 1555 1579 3110 3158 7895 14617 15790 29234 73085 74213 146170 148426 371065 491069 742130 982138 2455345 4910690 23080243 46160486 115401215 230802430