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230003121 = 3463165589
BaseRepresentation
bin11011011010110…
…01000110110001
3121000210100222010
431231121012301
5432340044441
634453433133
75461665015
oct1555310661
9530710863
10230003121
11108915827
126503b7a9
133886082a
1422792545
15152d4116
hexdb591b1

230003121 has 8 divisors (see below), whose sum is σ = 307335040. Its totient is φ = 153003312.

The previous prime is 230003099. The next prime is 230003129. The reversal of 230003121 is 121300032.

It is a happy number.

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

It is not a de Polignac number, because 230003121 - 26 = 230003057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230003097 and 230003106.

It is not an unprimeable number, because it can be changed into a prime (230003129) 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, 81406 + ... + 84183.

It is an arithmetic number, because the mean of its divisors is an integer number (38416880).

Almost surely, 2230003121 is an apocalyptic number.

It is an amenable number.

230003121 is a deficient number, since it is larger than the sum of its proper divisors (77331919).

230003121 is a wasteful number, since it uses less digits than its factorization.

230003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166055.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 230003121 is about 15165.8537840769. The cubic root of 230003121 is about 612.6953388342.

Adding to 230003121 its reverse (121300032), we get a palindrome (351303153).

The spelling of 230003121 in words is "two hundred thirty million, three thousand, one hundred twenty-one".

Divisors: 1 3 463 1389 165589 496767 76667707 230003121