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230033321 = 7228714369
BaseRepresentation
bin11011011011000…
…00011110101001
3121000211220101122
431231200132221
5432342031241
634454225025
75462152040
oct1555403651
9530756348
10230033321
11108936491
1265055175
13388714bb
142279d557
15152dd04b
hexdb607a9

230033321 has 8 divisors (see below), whose sum is σ = 263028480. Its totient is φ = 197071488.

The previous prime is 230033317. The next prime is 230033339. The reversal of 230033321 is 123330032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230033321 - 22 = 230033317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230033321.

It is not an unprimeable number, because it can be changed into a prime (230033381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (32878560).

Almost surely, 2230033321 is an apocalyptic number.

It is an amenable number.

230033321 is a deficient number, since it is larger than the sum of its proper divisors (32995159).

230033321 is a wasteful number, since it uses less digits than its factorization.

230033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16663.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230033321 is about 15166.8494091555. The cubic root of 230033321 is about 612.7221538174.

Adding to 230033321 its reverse (123330032), we get a palindrome (353363353).

The spelling of 230033321 in words is "two hundred thirty million, thirty-three thousand, three hundred twenty-one".

Divisors: 1 7 2287 14369 16009 100583 32861903 230033321