Base | Representation |
---|---|
bin | 11110001010101100000001 |
3 | 112212202212111 |
4 | 132022230001 |
5 | 4011024342 |
6 | 441255321 |
7 | 124134451 |
oct | 36125401 |
9 | 15782774 |
10 | 7908097 |
11 | 451151a |
12 | 2794541 |
13 | 183b662 |
14 | 109bd61 |
15 | a63217 |
hex | 78ab01 |
7908097 has 4 divisors (see below), whose sum is σ = 8180820. Its totient is φ = 7635376.
The previous prime is 7908091. The next prime is 7908107.
7908097 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 5764801 = 1464^2 + 2401^2 .
It is a cyclic number.
It is not a de Polignac number, because 7908097 - 219 = 7383809 is a prime.
It is a super-2 number, since 2×79080972 = 125075996322818, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7908091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136318 + ... + 136375.
It is an arithmetic number, because the mean of its divisors is an integer number (2045205).
Almost surely, 27908097 is an apocalyptic number.
It is an amenable number.
7908097 is a deficient number, since it is larger than the sum of its proper divisors (272723).
7908097 is a wasteful number, since it uses less digits than its factorization.
7908097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272722.
The product of its (nonzero) digits is 31752, while the sum is 40.
The square root of 7908097 is about 2812.1338872820. The cubic root of 7908097 is about 199.2311901103.
The spelling of 7908097 in words is "seven million, nine hundred eight thousand, ninety-seven".
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