Base | Representation |
---|---|
bin | 101001010001110… |
… | …1000110110100110 |
3 | 10120112021001110020 |
4 | 1102203220312212 |
5 | 10314034332321 |
6 | 345234540010 |
7 | 46215635604 |
oct | 12243506646 |
9 | 3515231406 |
10 | 1385074086 |
11 | 650924730 |
12 | 327a37606 |
13 | 190c53a86 |
14 | d1d48874 |
15 | 818e74c6 |
hex | 528e8da6 |
1385074086 has 16 divisors (see below), whose sum is σ = 3021979968. Its totient is φ = 419719400.
The previous prime is 1385074043. The next prime is 1385074087. The reversal of 1385074086 is 6804705831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1385074087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10492920 + ... + 10493051.
It is an arithmetic number, because the mean of its divisors is an integer number (188873748).
Almost surely, 21385074086 is an apocalyptic number.
1385074086 is an abundant number, since it is smaller than the sum of its proper divisors (1636905882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385074086 is a wasteful number, since it uses less digits than its factorization.
1385074086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20985987.
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 1385074086 is about 37216.5834810236. The cubic root of 1385074086 is about 1114.6991449010.
The spelling of 1385074086 in words is "one billion, three hundred eighty-five million, seventy-four thousand, eighty-six".
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