Base | Representation |
---|---|
bin | 101001010001000… |
… | …0101010101110000 |
3 | 10120111111100022201 |
4 | 1102202011111300 |
5 | 10313433311410 |
6 | 345222112544 |
7 | 46212320341 |
oct | 12242052560 |
9 | 3514440281 |
10 | 1384666480 |
11 | 65067646a |
12 | 32787b754 |
13 | 190b403a2 |
14 | d1c800c8 |
15 | 8186683a |
hex | 52885570 |
1384666480 has 40 divisors (see below), whose sum is σ = 3330367200. Its totient is φ = 534766848.
The previous prime is 1384666441. The next prime is 1384666487. The reversal of 1384666480 is 846664831.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 1384666480.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1384666487) 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, 296100 + ... + 300739.
It is an arithmetic number, because the mean of its divisors is an integer number (83259180).
Almost surely, 21384666480 is an apocalyptic number.
1384666480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1384666480 is an abundant number, since it is smaller than the sum of its proper divisors (1945700720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1384666480 is a wasteful number, since it uses less digits than its factorization.
1384666480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596881 (or 596875 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 46.
The square root of 1384666480 is about 37211.1069440295. The cubic root of 1384666480 is about 1114.5897879018.
The spelling of 1384666480 in words is "one billion, three hundred eighty-four million, six hundred sixty-six thousand, four hundred eighty".
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