Base | Representation |
---|---|
bin | 110010010101101… |
… | …0101111010110110 |
3 | 11100201022100001220 |
4 | 1210223111322312 |
5 | 11424401133244 |
6 | 435334531210 |
7 | 56566654623 |
oct | 14453257266 |
9 | 4321270056 |
10 | 1689083574 |
11 | 797497542 |
12 | 3b1806b06 |
13 | 20bc26849 |
14 | 12048334a |
15 | 9d449319 |
hex | 64ad5eb6 |
1689083574 has 8 divisors (see below), whose sum is σ = 3378167160. Its totient is φ = 563027856.
The previous prime is 1689083567. The next prime is 1689083579. The reversal of 1689083574 is 4753809861.
It is a sphenic number, since it is the product of 3 distinct primes.
1689083574 is an admirable number.
It is a super-2 number, since 2×16890835742 = 5706006639913226952, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1689083579) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140756959 + ... + 140756970.
It is an arithmetic number, because the mean of its divisors is an integer number (422270895).
Almost surely, 21689083574 is an apocalyptic number.
1689083574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1689083574 is a wasteful number, since it uses less digits than its factorization.
1689083574 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281513934.
The product of its (nonzero) digits is 1451520, while the sum is 51.
The square root of 1689083574 is about 41098.4619420241. The cubic root of 1689083574 is about 1190.9230824761.
The spelling of 1689083574 in words is "one billion, six hundred eighty-nine million, eighty-three thousand, five hundred seventy-four".
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