Base | Representation |
---|---|
bin | 10010001100000… |
… | …100000000101101 |
3 | 210021012022220121 |
4 | 102030010000231 |
5 | 1111104331140 |
6 | 50140244541 |
7 | 10363515052 |
oct | 2214040055 |
9 | 707168817 |
10 | 305152045 |
11 | 147283280 |
12 | 86240751 |
13 | 4b2b2b53 |
14 | 2c755029 |
15 | 1bbca64a |
hex | 1230402d |
305152045 has 16 divisors (see below), whose sum is σ = 404949312. Its totient is φ = 218885760.
The previous prime is 305152033. The next prime is 305152049. The reversal of 305152045 is 540251503.
It is not a de Polignac number, because 305152045 - 215 = 305119277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305152049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33987 + ... + 42016.
It is an arithmetic number, because the mean of its divisors is an integer number (25309332).
Almost surely, 2305152045 is an apocalyptic number.
It is an amenable number.
305152045 is a deficient number, since it is larger than the sum of its proper divisors (99797267).
305152045 is a wasteful number, since it uses less digits than its factorization.
305152045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76092.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 305152045 is about 17468.6016898892. The cubic root of 305152045 is about 673.2433850100.
The spelling of 305152045 in words is "three hundred five million, one hundred fifty-two thousand, forty-five".
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