Base | Representation |
---|---|
bin | 101001001010110… |
… | …1010011101010010 |
3 | 10120021100221011010 |
4 | 1102111222131102 |
5 | 10312120120032 |
6 | 345024231350 |
7 | 46142540163 |
oct | 12225523522 |
9 | 3507327133 |
10 | 1381410642 |
11 | 649852297 |
12 | 32676b556 |
13 | 190270461 |
14 | d167376a |
15 | 81421ccc |
hex | 5256a752 |
1381410642 has 16 divisors (see below), whose sum is σ = 2768364000. Its totient is φ = 459546432.
The previous prime is 1381410571. The next prime is 1381410671. The reversal of 1381410642 is 2460141831.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227703 + ... + 233690.
It is an arithmetic number, because the mean of its divisors is an integer number (173022750).
Almost surely, 21381410642 is an apocalyptic number.
1381410642 is an abundant number, since it is smaller than the sum of its proper divisors (1386953358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1381410642 is a wasteful number, since it uses less digits than its factorization.
1381410642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461897.
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 1381410642 is about 37167.3329955218. The cubic root of 1381410642 is about 1113.7155047316.
The spelling of 1381410642 in words is "one billion, three hundred eighty-one million, four hundred ten thousand, six hundred forty-two".
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