Base | Representation |
---|---|
bin | 11011011011111… |
… | …10100010011101 |
3 | 121001002011021210 |
4 | 31231332202131 |
5 | 432410001240 |
6 | 34501015033 |
7 | 5463204021 |
oct | 1555764235 |
9 | 531064253 |
10 | 230156445 |
11 | 108a0aa42 |
12 | 650b4479 |
13 | 388b555c |
14 | 227d2381 |
15 | 15314780 |
hex | db7e89d |
230156445 has 8 divisors (see below), whose sum is σ = 368250336. Its totient is φ = 122750096.
The previous prime is 230156417. The next prime is 230156449. The reversal of 230156445 is 544651032.
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 230156445 - 220 = 229107869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230156449) 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, 7671867 + ... + 7671896.
It is an arithmetic number, because the mean of its divisors is an integer number (46031292).
Almost surely, 2230156445 is an apocalyptic number.
It is an amenable number.
230156445 is a deficient number, since it is larger than the sum of its proper divisors (138093891).
230156445 is a wasteful number, since it uses less digits than its factorization.
230156445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15343771.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 230156445 is about 15170.9078502244. The cubic root of 230156445 is about 612.8314529780.
The spelling of 230156445 in words is "two hundred thirty million, one hundred fifty-six thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •