Base | Representation |
---|---|
bin | 11101111010110110111 |
3 | 1211210212101 |
4 | 3233112313 |
5 | 222333112 |
6 | 33002531 |
7 | 11222221 |
oct | 3572667 |
9 | 1753771 |
10 | 980407 |
11 | 60a65a |
12 | 3b3447 |
13 | 28432c |
14 | 1b7411 |
15 | 145757 |
hex | ef5b7 |
980407 has 8 divisors (see below), whose sum is σ = 1050192. Its totient is φ = 912000.
The previous prime is 980401. The next prime is 980417. The reversal of 980407 is 704089.
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 980407 - 211 = 978359 is a prime.
It is a super-2 number, since 2×9804072 = 1922395771298, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980401) 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, 1432 + ... + 2002.
It is an arithmetic number, because the mean of its divisors is an integer number (131274).
2980407 is an apocalyptic number.
980407 is a deficient number, since it is larger than the sum of its proper divisors (69785).
980407 is a wasteful number, since it uses less digits than its factorization.
980407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 689.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 980407 is about 990.1550383652. The cubic root of 980407 is about 99.3425875598.
The spelling of 980407 in words is "nine hundred eighty thousand, four hundred seven".
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