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230015361 = 3503152429
BaseRepresentation
bin11011011010111…
…00000110000001
3121000210222202110
431231130012001
5432340442421
634454005533
75462045502
oct1555340601
9530728673
10230015361
11108923a44
12650468a9
1338866284
1422796ba9
15152d7a76
hexdb5c181

230015361 has 8 divisors (see below), whose sum is σ = 307298880. Its totient is φ = 153037712.

The previous prime is 230015353. The next prime is 230015369. The reversal of 230015361 is 163510032.

It is an interprime number because it is at equal distance from previous prime (230015353) and next prime (230015369).

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 230015361 - 23 = 230015353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230015369) 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 7 ways as a sum of consecutive naturals, for example, 74706 + ... + 77723.

It is an arithmetic number, because the mean of its divisors is an integer number (38412360).

Almost surely, 2230015361 is an apocalyptic number.

It is an amenable number.

230015361 is a deficient number, since it is larger than the sum of its proper divisors (77283519).

230015361 is a wasteful number, since it uses less digits than its factorization.

230015361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152935.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 230015361 is about 15166.2573168201. The cubic root of 230015361 is about 612.7062071765.

Adding to 230015361 its reverse (163510032), we get a palindrome (393525393).

The spelling of 230015361 in words is "two hundred thirty million, fifteen thousand, three hundred sixty-one".

Divisors: 1 3 503 1509 152429 457287 76671787 230015361