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230210230 = 25471313739
BaseRepresentation
bin11011011100010…
…11101010110110
3121001011220001211
431232023222312
5432413211410
634502112034
75463516565
oct1556135266
9531156054
10230210230
11108a47398
126511b61a
1338903b93
1422807bdc
151532568a
hexdb8bab6

230210230 has 32 divisors (see below), whose sum is σ = 426539520. Its totient is φ = 89412960.

The previous prime is 230210143. The next prime is 230210231. The reversal of 230210230 is 32012032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230210230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230210231) 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, 59701 + ... + 63439.

It is an arithmetic number, because the mean of its divisors is an integer number (13329360).

Almost surely, 2230210230 is an apocalyptic number.

230210230 is a deficient number, since it is larger than the sum of its proper divisors (196329290).

230210230 is a wasteful number, since it uses less digits than its factorization.

230210230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230210230 is about 15172.6803828460. The cubic root of 230210230 is about 612.8791865569.

Adding to 230210230 its reverse (32012032), we get a palindrome (262222262).

The spelling of 230210230 in words is "two hundred thirty million, two hundred ten thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 131 235 262 470 655 1310 3739 6157 7478 12314 18695 30785 37390 61570 175733 351466 489809 878665 979618 1757330 2449045 4898090 23021023 46042046 115105115 230210230