Base | Representation |
---|---|
bin | 11101011010100… |
… | …001000000001110 |
3 | 1021101120220021110 |
4 | 131122201000032 |
5 | 2002313141230 |
6 | 120545112450 |
7 | 15141411624 |
oct | 3532410016 |
9 | 1241526243 |
10 | 493490190 |
11 | 233620536 |
12 | 119328726 |
13 | 7b31603b |
14 | 4977d514 |
15 | 2d4ce4b0 |
hex | 1d6a100e |
493490190 has 32 divisors (see below), whose sum is σ = 1187578656. Its totient is φ = 131241600.
The previous prime is 493490189. The next prime is 493490237. The reversal of 493490190 is 91094394.
It is a super-2 number, since 2×4934901902 = 487065135252472200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10861 + ... + 33240.
It is an arithmetic number, because the mean of its divisors is an integer number (37111833).
Almost surely, 2493490190 is an apocalyptic number.
493490190 is an abundant number, since it is smaller than the sum of its proper divisors (694088466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
493490190 is a wasteful number, since it uses less digits than its factorization.
493490190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44484.
The product of its (nonzero) digits is 34992, while the sum is 39.
The square root of 493490190 is about 22214.6390922743. The cubic root of 493490190 is about 790.2409082086.
The spelling of 493490190 in words is "four hundred ninety-three million, four hundred ninety thousand, one hundred ninety".
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