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230197833 = 32177121191
BaseRepresentation
bin11011011100010…
…00101001001001
3121001011021001200
431232020221021
5432412312313
634501534413
75463435465
oct1556105111
9531137050
10230197833
11108a39048
1265114409
13388cb348
14228034a5
1515321b73
hexdb88a49

230197833 has 24 divisors (see below), whose sum is σ = 357042816. Its totient is φ = 142396800.

The previous prime is 230197819. The next prime is 230197859. The reversal of 230197833 is 338791032.

It is a happy number.

It is not a de Polignac number, because 230197833 - 24 = 230197817 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (230197813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268 + ... + 21458.

It is an arithmetic number, because the mean of its divisors is an integer number (14876784).

Almost surely, 2230197833 is an apocalyptic number.

It is an amenable number.

230197833 is a deficient number, since it is larger than the sum of its proper divisors (126844983).

230197833 is a wasteful number, since it uses less digits than its factorization.

230197833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21285 (or 21282 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 230197833 is about 15172.2718470241. The cubic root of 230197833 is about 612.8681850191.

The spelling of 230197833 in words is "two hundred thirty million, one hundred ninety-seven thousand, eight hundred thirty-three".

Divisors: 1 3 9 17 51 71 153 213 639 1207 3621 10863 21191 63573 190719 360247 1080741 1504561 3242223 4513683 13541049 25577537 76732611 230197833