Base | Representation |
---|---|
bin | 11110100011000001100 |
3 | 1212212002001 |
4 | 3310120030 |
5 | 224012342 |
6 | 33242044 |
7 | 11336200 |
oct | 3643014 |
9 | 1785061 |
10 | 1000972 |
11 | 624055 |
12 | 403324 |
13 | 2907bb |
14 | 1c0b00 |
15 | 14b8b7 |
hex | f460c |
1000972 has 18 divisors (see below), whose sum is σ = 2038092. Its totient is φ = 428904.
The previous prime is 1000969. The next prime is 1000973. The reversal of 1000972 is 2790001.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (1000973) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2358 + ... + 2749.
21000972 is an apocalyptic number.
It is an amenable number.
1000972 is an abundant number, since it is smaller than the sum of its proper divisors (1037120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1000972 is a wasteful number, since it uses less digits than its factorization.
1000972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5125 (or 5116 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 19.
The square root of 1000972 is about 1000.4858819594. The cubic root of 1000972 is about 100.0323895081.
Adding to 1000972 its reverse (2790001), we get a palindrome (3790973).
The spelling of 1000972 in words is "one million, nine hundred seventy-two", and thus it is an aban number.
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