Base | Representation |
---|---|
bin | 100010011001110… |
… | …1101001101101110 |
3 | 2222110012212021021 |
4 | 1010303231031232 |
5 | 4331011431410 |
6 | 310314524354 |
7 | 40415165626 |
oct | 10463551556 |
9 | 2873185237 |
10 | 1154405230 |
11 | 5426a4810 |
12 | 2827366ba |
13 | 15521c224 |
14 | ad461886 |
15 | 6b530eda |
hex | 44ced36e |
1154405230 has 64 divisors (see below), whose sum is σ = 2526577920. Its totient is φ = 374284800.
The previous prime is 1154405209. The next prime is 1154405261. The reversal of 1154405230 is 325044511.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1154405195 and 1154405204.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19285 + ... + 51775.
It is an arithmetic number, because the mean of its divisors is an integer number (39477780).
Almost surely, 21154405230 is an apocalyptic number.
1154405230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1154405230 is an abundant number, since it is smaller than the sum of its proper divisors (1372172690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1154405230 is a wasteful number, since it uses less digits than its factorization.
1154405230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32545.
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 1154405230 is about 33976.5394058901. The cubic root of 1154405230 is about 1049.0256206402.
Adding to 1154405230 its reverse (325044511), we get a palindrome (1479449741).
The spelling of 1154405230 in words is "one billion, one hundred fifty-four million, four hundred five thousand, two hundred thirty".
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