Base | Representation |
---|---|
bin | 101001010100001… |
… | …0111011011010001 |
3 | 10120121121000111200 |
4 | 1102220113123101 |
5 | 10314344012200 |
6 | 345321301413 |
7 | 46232320050 |
oct | 12250273321 |
9 | 3517530450 |
10 | 1386313425 |
11 | 6515a0882 |
12 | 328334869 |
13 | 191298c03 |
14 | d218c397 |
15 | 81a8e800 |
hex | 52a176d1 |
1386313425 has 36 divisors (see below), whose sum is σ = 2837764800. Its totient is φ = 633742560.
The previous prime is 1386313417. The next prime is 1386313429. The reversal of 1386313425 is 5243136831.
1386313425 is a `hidden beast` number, since 13 + 8 + 631 + 3 + 4 + 2 + 5 = 666.
It is not a de Polignac number, because 1386313425 - 23 = 1386313417 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1386313425.
It is not an unprimeable number, because it can be changed into a prime (1386313429) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 438525 + ... + 441674.
It is an arithmetic number, because the mean of its divisors is an integer number (78826800).
Almost surely, 21386313425 is an apocalyptic number.
1386313425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1386313425 is an abundant number, since it is smaller than the sum of its proper divisors (1451451375).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1386313425 is a wasteful number, since it uses less digits than its factorization.
1386313425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 880222 (or 880214 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 1386313425 is about 37233.2301177322. The cubic root of 1386313425 is about 1115.0315166006.
The spelling of 1386313425 in words is "one billion, three hundred eighty-six million, three hundred thirteen thousand, four hundred twenty-five".
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