Base | Representation |
---|---|
bin | 100100001100011… |
… | …1100001011010101 |
3 | 10010122021212100122 |
4 | 1020120330023111 |
5 | 4441402404433 |
6 | 320302521325 |
7 | 42045026006 |
oct | 11030741325 |
9 | 3118255318 |
10 | 1214497493 |
11 | 573608a40 |
12 | 29a896245 |
13 | 1647cc191 |
14 | b74251ad |
15 | 71951198 |
hex | 4863c2d5 |
1214497493 has 16 divisors (see below), whose sum is σ = 1404552960. Its totient is φ = 1037875200.
The previous prime is 1214497481. The next prime is 1214497507. The reversal of 1214497493 is 3947944121.
It is a cyclic number.
It is not a de Polignac number, because 1214497493 - 26 = 1214497429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214497433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170228 + ... + 177218.
It is an arithmetic number, because the mean of its divisors is an integer number (87784560).
Almost surely, 21214497493 is an apocalyptic number.
It is an amenable number.
1214497493 is a deficient number, since it is larger than the sum of its proper divisors (190055467).
1214497493 is a wasteful number, since it uses less digits than its factorization.
1214497493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7948.
The product of its digits is 217728, while the sum is 44.
The square root of 1214497493 is about 34849.6412176654. The cubic root of 1214497493 is about 1066.9208629314.
The spelling of 1214497493 in words is "one billion, two hundred fourteen million, four hundred ninety-seven thousand, four hundred ninety-three".
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