Base | Representation |
---|---|
bin | 101011000100111… |
… | …0011010000100110 |
3 | 10201201210102112102 |
4 | 1112021303100212 |
5 | 10430011103310 |
6 | 355232052102 |
7 | 50550531554 |
oct | 12611632046 |
9 | 3651712472 |
10 | 1445409830 |
11 | 681994887 |
12 | 344094032 |
13 | 1a05ba7b7 |
14 | d9d72bd4 |
15 | 86d648a5 |
hex | 56273426 |
1445409830 has 16 divisors (see below), whose sum is σ = 2602389600. Its totient is φ = 578019072.
The previous prime is 1445409829. The next prime is 1445409841. The reversal of 1445409830 is 389045441.
It is a Curzon 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, 29846 + ... + 61494.
It is an arithmetic number, because the mean of its divisors is an integer number (162649350).
Almost surely, 21445409830 is an apocalyptic number.
1445409830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1445409830 is a deficient number, since it is larger than the sum of its proper divisors (1156979770).
1445409830 is a wasteful number, since it uses less digits than its factorization.
1445409830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36223.
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 1445409830 is about 38018.5458690887. The cubic root of 1445409830 is about 1130.6555910662.
The spelling of 1445409830 in words is "one billion, four hundred forty-five million, four hundred nine thousand, eight hundred thirty".
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