Base | Representation |
---|---|
bin | 101001001001000… |
… | …1101111100100001 |
3 | 10120012200001011122 |
4 | 1102102031330201 |
5 | 10311402214200 |
6 | 344553022025 |
7 | 46132055663 |
oct | 12222157441 |
9 | 3505601148 |
10 | 1380507425 |
11 | 649295730 |
12 | 3263b4915 |
13 | 1900152cb |
14 | d14ba533 |
15 | 812e4385 |
hex | 5248df21 |
1380507425 has 24 divisors (see below), whose sum is σ = 1870252320. Its totient is φ = 1002499200.
The previous prime is 1380507413. The next prime is 1380507431. The reversal of 1380507425 is 5247050831.
It is a happy number.
It is not a de Polignac number, because 1380507425 - 28 = 1380507169 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199829 + ... + 206621.
It is an arithmetic number, because the mean of its divisors is an integer number (77927180).
Almost surely, 21380507425 is an apocalyptic number.
It is an amenable number.
1380507425 is a deficient number, since it is larger than the sum of its proper divisors (489744895).
1380507425 is a wasteful number, since it uses less digits than its factorization.
1380507425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7553 (or 7548 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 35.
The square root of 1380507425 is about 37155.1803252252. The cubic root of 1380507425 is about 1113.4727224472.
It can be divided in two parts, 1380 and 507425, that added together give a palindrome (508805).
The spelling of 1380507425 in words is "one billion, three hundred eighty million, five hundred seven thousand, four hundred twenty-five".
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