Base | Representation |
---|---|
bin | 11110100000011100011110 |
3 | 120001022010010 |
4 | 132200130132 |
5 | 4021402324 |
6 | 443224050 |
7 | 124655331 |
oct | 36403436 |
9 | 16038103 |
10 | 7997214 |
11 | 4572475 |
12 | 2818026 |
13 | 18700a4 |
14 | 10c2618 |
15 | a7e829 |
hex | 7a071e |
7997214 has 64 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 2338560.
The previous prime is 7997207. The next prime is 7997219. The reversal of 7997214 is 4127997.
7997214 = 282 + 292 + ... + 2882.
7997214 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7997219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135517 + ... + 135575.
It is an arithmetic number, because the mean of its divisors is an integer number (283500).
Almost surely, 27997214 is an apocalyptic number.
7997214 is an abundant number, since it is smaller than the sum of its proper divisors (10146786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7997214 is a wasteful number, since it uses less digits than its factorization.
7997214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153.
The product of its digits is 31752, while the sum is 39.
The square root of 7997214 is about 2827.9345819874. The cubic root of 7997214 is about 199.9767806377.
The spelling of 7997214 in words is "seven million, nine hundred ninety-seven thousand, two hundred fourteen".
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