Base | Representation |
---|---|
bin | 11011011010111… |
… | …01100100011010 |
3 | 121000211022001012 |
4 | 31231131210122 |
5 | 432341141102 |
6 | 34454053522 |
7 | 5462102222 |
oct | 1555354432 |
9 | 530738035 |
10 | 230021402 |
11 | 108928536 |
12 | 6504a2a2 |
13 | 38868c50 |
14 | 22799082 |
15 | 152d9752 |
hex | db5d91a |
230021402 has 8 divisors (see below), whose sum is σ = 371573076. Its totient is φ = 106163712.
The previous prime is 230021401. The next prime is 230021411. The reversal of 230021402 is 204120032.
It can be written as a sum of positive squares in 2 ways, for example, as 227738281 + 2283121 = 15091^2 + 1511^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (230021401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4423463 + ... + 4423514.
Almost surely, 2230021402 is an apocalyptic number.
230021402 is a deficient number, since it is larger than the sum of its proper divisors (141551674).
230021402 is a wasteful number, since it uses less digits than its factorization.
230021402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8846992.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 230021402 is about 15166.4564747340. The cubic root of 230021402 is about 612.7115710585.
Adding to 230021402 its reverse (204120032), we get a palindrome (434141434).
The spelling of 230021402 in words is "two hundred thirty million, twenty-one thousand, four hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •