Base | Representation |
---|---|
bin | 11111111110110100100 |
3 | 1222020112210 |
4 | 3333312210 |
5 | 232013342 |
6 | 34243420 |
7 | 11623212 |
oct | 3776644 |
9 | 1866483 |
10 | 1047972 |
11 | 6563a2 |
12 | 426570 |
13 | 2a9003 |
14 | 1d3cb2 |
15 | 15a79c |
hex | ffda4 |
1047972 has 24 divisors (see below), whose sum is σ = 2552256. Its totient is φ = 334048.
The previous prime is 1047971. The next prime is 1047979. The reversal of 1047972 is 2797401.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1047971) 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, 1623 + ... + 2174.
It is an arithmetic number, because the mean of its divisors is an integer number (106344).
21047972 is an apocalyptic number.
1047972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1047972 is an abundant number, since it is smaller than the sum of its proper divisors (1504284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1047972 is a wasteful number, since it uses less digits than its factorization.
1047972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3827 (or 3825 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 30.
The square root of 1047972 is about 1023.7050356426. The cubic root of 1047972 is about 101.5741569421.
The spelling of 1047972 in words is "one million, forty-seven thousand, nine hundred seventy-two".
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