Base | Representation |
---|---|
bin | 11011011011010… |
… | …11011111000101 |
3 | 121000221012020102 |
4 | 31231223133011 |
5 | 432400002110 |
6 | 34455213445 |
7 | 5462430344 |
oct | 1555533705 |
9 | 530835212 |
10 | 230078405 |
11 | 108967347 |
12 | 65077285 |
13 | 38888b8b |
14 | 227b1b5b |
15 | 152eb5a5 |
hex | db6b7c5 |
230078405 has 8 divisors (see below), whose sum is σ = 277748352. Its totient is φ = 182959888.
The previous prime is 230078377. The next prime is 230078417. The reversal of 230078405 is 504870032.
It is a happy number.
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 230078405 - 212 = 230074309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136937 + ... + 138606.
It is an arithmetic number, because the mean of its divisors is an integer number (34718544).
Almost surely, 2230078405 is an apocalyptic number.
It is an amenable number.
230078405 is a deficient number, since it is larger than the sum of its proper divisors (47669947).
230078405 is a wasteful number, since it uses less digits than its factorization.
230078405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275715.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 230078405 is about 15168.3356041459. The cubic root of 230078405 is about 612.7621801362.
The spelling of 230078405 in words is "two hundred thirty million, seventy-eight thousand, four hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •