Base | Representation |
---|---|
bin | 11011011000110… |
… | …10111100001001 |
3 | 121000022102200022 |
4 | 31230122330021 |
5 | 432303422424 |
6 | 34444150225 |
7 | 5456554445 |
oct | 1554327411 |
9 | 530272608 |
10 | 229748489 |
11 | 108761493 |
12 | 64b38375 |
13 | 387a1969 |
14 | 22727825 |
15 | 1528395e |
hex | db1af09 |
229748489 has 8 divisors (see below), whose sum is σ = 243396648. Its totient is φ = 216115200.
The previous prime is 229748479. The next prime is 229748507. The reversal of 229748489 is 984847922.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 53071225 + 176677264 = 7285^2 + 13292^2 .
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 229748489 - 24 = 229748473 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 229748489.
It is not an unprimeable number, because it can be changed into a prime (229748479) 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, 52589 + ... + 56789.
It is an arithmetic number, because the mean of its divisors is an integer number (30424581).
Almost surely, 2229748489 is an apocalyptic number.
It is an amenable number.
229748489 is a deficient number, since it is larger than the sum of its proper divisors (13648159).
229748489 is a wasteful number, since it uses less digits than its factorization.
229748489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7435.
The product of its digits is 2322432, while the sum is 53.
The square root of 229748489 is about 15157.4565478513. The cubic root of 229748489 is about 612.4691542984.
The spelling of 229748489 in words is "two hundred twenty-nine million, seven hundred forty-eight thousand, four hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •