Base | Representation |
---|---|
bin | 111100101011010111011 |
3 | 10202000102010 |
4 | 13211122323 |
5 | 1002111113 |
6 | 110341003 |
7 | 22620513 |
oct | 7453273 |
9 | 3660363 |
10 | 1988283 |
11 | 1138910 |
12 | 7ba763 |
13 | 547ccb |
14 | 39a843 |
15 | 2941c3 |
hex | 1e56bb |
1988283 has 8 divisors (see below), whose sum is σ = 2892096. Its totient is φ = 1205000.
The previous prime is 1988279. The next prime is 1988291. The reversal of 1988283 is 3828891.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1988283 - 22 = 1988279 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1988243) 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, 30093 + ... + 30158.
It is an arithmetic number, because the mean of its divisors is an integer number (361512).
21988283 is an apocalyptic number.
1988283 is a deficient number, since it is larger than the sum of its proper divisors (903813).
1988283 is a wasteful number, since it uses less digits than its factorization.
1988283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60265.
The product of its digits is 27648, while the sum is 39.
The square root of 1988283 is about 1410.0648921238. The cubic root of 1988283 is about 125.7455813590.
The spelling of 1988283 in words is "one million, nine hundred eighty-eight thousand, two hundred eighty-three".
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