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230399799 = 3710971419
BaseRepresentation
bin11011011101110…
…01111100110111
3121001112112002220
431232321330313
5432440243144
634510133423
75465236350
oct1556717467
9531475086
10230399799
11109066863
12651b1273
133896c256
1422856d27
1515361919
hexdbb9f37

230399799 has 8 divisors (see below), whose sum is σ = 351085440. Its totient is φ = 131657016.

The previous prime is 230399797. The next prime is 230399803. The reversal of 230399799 is 997993032.

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

It is not a de Polignac number, because 230399799 - 21 = 230399797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230399797) 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, 5485689 + ... + 5485730.

It is an arithmetic number, because the mean of its divisors is an integer number (43885680).

Almost surely, 2230399799 is an apocalyptic number.

230399799 is a deficient number, since it is larger than the sum of its proper divisors (120685641).

230399799 is a wasteful number, since it uses less digits than its factorization.

230399799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10971429.

The product of its (nonzero) digits is 826686, while the sum is 51.

The square root of 230399799 is about 15178.9261477879. The cubic root of 230399799 is about 613.0473676414.

The spelling of 230399799 in words is "two hundred thirty million, three hundred ninety-nine thousand, seven hundred ninety-nine".

Divisors: 1 3 7 21 10971419 32914257 76799933 230399799