Base | Representation |
---|---|
bin | 101001100100101… |
… | …1100101101100110 |
3 | 10121012220121210212 |
4 | 1103021130231212 |
5 | 10324104021310 |
6 | 350231215422 |
7 | 46366120040 |
oct | 12311345546 |
9 | 3535817725 |
10 | 1394985830 |
11 | 656484557 |
12 | 32b217572 |
13 | 193014404 |
14 | d33a8a90 |
15 | 82704205 |
hex | 5325cb66 |
1394985830 has 32 divisors (see below), whose sum is σ = 3038492736. Its totient is φ = 450146304.
The previous prime is 1394985799. The next prime is 1394985859. The reversal of 1394985830 is 385894931.
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 15 ways as a sum of consecutive naturals, for example, 584939 + ... + 587318.
It is an arithmetic number, because the mean of its divisors is an integer number (94952898).
Almost surely, 21394985830 is an apocalyptic number.
1394985830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1394985830 is an abundant number, since it is smaller than the sum of its proper divisors (1643506906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1394985830 is a wasteful number, since it uses less digits than its factorization.
1394985830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1172288.
The product of its (nonzero) digits is 933120, while the sum is 50.
The square root of 1394985830 is about 37349.5090998530. The cubic root of 1394985830 is about 1117.3517976652.
The spelling of 1394985830 in words is "one billion, three hundred ninety-four million, nine hundred eighty-five thousand, eight hundred thirty".
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