Base | Representation |
---|---|
bin | 101001001001110… |
… | …1010011110100000 |
3 | 10120020101022001221 |
4 | 1102103222132200 |
5 | 10312001331212 |
6 | 345005104424 |
7 | 46135224652 |
oct | 12223523640 |
9 | 3506338057 |
10 | 1380886432 |
11 | 649524462 |
12 | 326558114 |
13 | 190118983 |
14 | d15786d2 |
15 | 8136b807 |
hex | 524ea7a0 |
1380886432 has 24 divisors (see below), whose sum is σ = 2720031300. Its totient is φ = 690084864.
The previous prime is 1380886343. The next prime is 1380886453. The reversal of 1380886432 is 2346880831.
It can be written as a sum of positive squares in 2 ways, for example, as 1380568336 + 318096 = 37156^2 + 564^2 .
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57994 + ... + 78262.
Almost surely, 21380886432 is an apocalyptic number.
It is an amenable number.
1380886432 is a deficient number, since it is larger than the sum of its proper divisors (1339144868).
1380886432 is a wasteful number, since it uses less digits than its factorization.
1380886432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22408 (or 22400 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 43.
The square root of 1380886432 is about 37160.2803003422. The cubic root of 1380886432 is about 1113.5746113938.
The spelling of 1380886432 in words is "one billion, three hundred eighty million, eight hundred eighty-six thousand, four hundred thirty-two".
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