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230030013 = 3312473441
BaseRepresentation
bin11011011010111…
…11101010111101
3121000211201212010
431231133222331
5432341430023
634454201433
75462136303
oct1555375275
9530751763
10230030013
11108933a54
1265053279
133886cb45
142279c273
15152dc093
hexdb5fabd

230030013 has 8 divisors (see below), whose sum is σ = 316600576. Its totient is φ = 148406400.

The previous prime is 230029993. The next prime is 230030039. The reversal of 230030013 is 310030032.

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 230030013 - 28 = 230029757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230030083) 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, 1236628 + ... + 1236813.

It is an arithmetic number, because the mean of its divisors is an integer number (39575072).

Almost surely, 2230030013 is an apocalyptic number.

It is an amenable number.

230030013 is a deficient number, since it is larger than the sum of its proper divisors (86570563).

230030013 is a wasteful number, since it uses less digits than its factorization.

230030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473475.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 230030013 is about 15166.7403551323. The cubic root of 230030013 is about 612.7192167145.

Adding to 230030013 its reverse (310030032), we get a palindrome (540060045).

The spelling of 230030013 in words is "two hundred thirty million, thirty thousand, thirteen".

Divisors: 1 3 31 93 2473441 7420323 76676671 230030013