Base | Representation |
---|---|
bin | 101001010100011… |
… | …0010110101111101 |
3 | 10120121210201112221 |
4 | 1102220302311331 |
5 | 10314411110400 |
6 | 345323525341 |
7 | 46233265336 |
oct | 12250626575 |
9 | 3517721487 |
10 | 1386425725 |
11 | 651668193 |
12 | 328389851 |
13 | 191308069 |
14 | d21bb28d |
15 | 81ab2c1a |
hex | 52a32d7d |
1386425725 has 24 divisors (see below), whose sum is σ = 1817562240. Its totient is φ = 1046171520.
The previous prime is 1386425723. The next prime is 1386425759. The reversal of 1386425725 is 5275246831.
It is not a de Polignac number, because 1386425725 - 21 = 1386425723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1386425723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104412 + ... + 116938.
It is an arithmetic number, because the mean of its divisors is an integer number (75731760).
Almost surely, 21386425725 is an apocalyptic number.
It is an amenable number.
1386425725 is a deficient number, since it is larger than the sum of its proper divisors (431136515).
1386425725 is a wasteful number, since it uses less digits than its factorization.
1386425725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12789 (or 12784 counting only the distinct ones).
The product of its digits is 403200, while the sum is 43.
The square root of 1386425725 is about 37234.7381486697. The cubic root of 1386425725 is about 1115.0616239477.
The spelling of 1386425725 in words is "one billion, three hundred eighty-six million, four hundred twenty-five thousand, seven hundred twenty-five".
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