Base | Representation |
---|---|
bin | 101101011110001111111 |
3 | 2210200221221 |
4 | 11223301333 |
5 | 340140142 |
6 | 51534211 |
7 | 15444106 |
oct | 5536177 |
9 | 2720857 |
10 | 1490047 |
11 | 928549 |
12 | 5ba367 |
13 | 4022b0 |
14 | 2ab03d |
15 | 1e6767 |
hex | 16bc7f |
1490047 has 8 divisors (see below), whose sum is σ = 1631840. Its totient is φ = 1352160.
The previous prime is 1490039. The next prime is 1490051. The reversal of 1490047 is 7400941.
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 1490047 - 23 = 1490039 is a prime.
It is a Duffinian number.
1490047 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1490347) 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, 147 + ... + 1732.
It is an arithmetic number, because the mean of its divisors is an integer number (203980).
21490047 is an apocalyptic number.
1490047 is a deficient number, since it is larger than the sum of its proper divisors (141793).
1490047 is a wasteful number, since it uses less digits than its factorization.
1490047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1953.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 1490047 is about 1220.6748133717. The cubic root of 1490047 is about 114.2176768398.
Adding to 1490047 its reverse (7400941), we get a palindrome (8890988).
The spelling of 1490047 in words is "one million, four hundred ninety thousand, forty-seven".
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