Base | Representation |
---|---|
bin | 11110011011110011000 |
3 | 1212200000000 |
4 | 3303132120 |
5 | 223403042 |
6 | 33213000 |
7 | 11322333 |
oct | 3633630 |
9 | 1780000 |
10 | 997272 |
11 | 6212a1 |
12 | 401160 |
13 | 28bc03 |
14 | 1bd61a |
15 | 14a74c |
hex | f3798 |
997272 has 72 divisors (see below), whose sum is σ = 2952300. Its totient is φ = 314928.
The previous prime is 997267. The next prime is 997273. The reversal of 997272 is 272799.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
Its product of digits (15876) is a multiple of the sum of its prime factors (49).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (997273) by changing a digit.
997272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52479 + ... + 52497.
2997272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 997272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476150).
997272 is an abundant number, since it is smaller than the sum of its proper divisors (1955028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
997272 is an equidigital number, since it uses as much as digits as its factorization.
997272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49 (or 24 counting only the distinct ones).
The product of its digits is 15876, while the sum is 36.
The square root of 997272 is about 998.6350684810. The cubic root of 997272 is about 99.9089838524.
The spelling of 997272 in words is "nine hundred ninety-seven thousand, two hundred seventy-two".
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