Base | Representation |
---|---|
bin | 101001001110101… |
… | …1101101001011101 |
3 | 10120102012210221010 |
4 | 1102131131221131 |
5 | 10313131032300 |
6 | 345140125433 |
7 | 46166114310 |
oct | 12235355135 |
9 | 3512183833 |
10 | 1383455325 |
11 | 64aa1950a |
12 | 327396879 |
13 | 190808025 |
14 | d1a46977 |
15 | 816c7a50 |
hex | 5275da5d |
1383455325 has 48 divisors (see below), whose sum is σ = 2767858560. Its totient is φ = 595230720.
The previous prime is 1383455317. The next prime is 1383455327. The reversal of 1383455325 is 5235543831.
It is not a de Polignac number, because 1383455325 - 23 = 1383455317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1383455327) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68580 + ... + 86429.
It is an arithmetic number, because the mean of its divisors is an integer number (57663720).
Almost surely, 21383455325 is an apocalyptic number.
1383455325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1383455325 is an abundant number, since it is smaller than the sum of its proper divisors (1384403235).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1383455325 is a wasteful number, since it uses less digits than its factorization.
1383455325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155046 (or 155041 counting only the distinct ones).
The product of its digits is 216000, while the sum is 39.
The square root of 1383455325 is about 37194.8292777370. The cubic root of 1383455325 is about 1114.2647193025.
The spelling of 1383455325 in words is "one billion, three hundred eighty-three million, four hundred fifty-five thousand, three hundred twenty-five".
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