Base | Representation |
---|---|
bin | 101011011111110000111 |
3 | 2200102010102 |
4 | 11123332013 |
5 | 331102122 |
6 | 50314315 |
7 | 15054233 |
oct | 5337607 |
9 | 2612112 |
10 | 1425287 |
11 | 893926 |
12 | 58899b |
13 | 3ab986 |
14 | 2915c3 |
15 | 1d2492 |
hex | 15bf87 |
1425287 has 8 divisors (see below), whose sum is σ = 1536000. Its totient is φ = 1318680.
The previous prime is 1425271. The next prime is 1425293. The reversal of 1425287 is 7825241.
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 1425287 - 24 = 1425271 is a prime.
It is a Duffinian number.
It is a plaindrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1425217) 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, 287 + ... + 1712.
It is an arithmetic number, because the mean of its divisors is an integer number (192000).
21425287 is an apocalyptic number.
1425287 is a deficient number, since it is larger than the sum of its proper divisors (110713).
1425287 is a wasteful number, since it uses less digits than its factorization.
1425287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2053.
The product of its digits is 4480, while the sum is 29.
The square root of 1425287 is about 1193.8538436509. The cubic root of 1425287 is about 112.5384099298.
The spelling of 1425287 in words is "one million, four hundred twenty-five thousand, two hundred eighty-seven".
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