Base | Representation |
---|---|
bin | 11011011010111… |
… | …10000011011111 |
3 | 121000211101202212 |
4 | 31231132003133 |
5 | 432341222031 |
6 | 34454111035 |
7 | 5462111063 |
oct | 1555360337 |
9 | 530741685 |
10 | 230023391 |
11 | 108929a84 |
12 | 6504b47b |
13 | 38869b20 |
14 | 22799aa3 |
15 | 152da12b |
hex | db5e0df |
230023391 has 8 divisors (see below), whose sum is σ = 258488160. Its totient is φ = 203097312.
The previous prime is 230023351. The next prime is 230023393. The reversal of 230023391 is 193320032.
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 230023391 - 210 = 230022367 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230023393) 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, 384356 + ... + 384953.
It is an arithmetic number, because the mean of its divisors is an integer number (32311020).
Almost surely, 2230023391 is an apocalyptic number.
230023391 is a deficient number, since it is larger than the sum of its proper divisors (28464769).
230023391 is a wasteful number, since it uses less digits than its factorization.
230023391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 769345.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 230023391 is about 15166.5220469295. The cubic root of 230023391 is about 612.7133370968.
The spelling of 230023391 in words is "two hundred thirty million, twenty-three thousand, three hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •