Base | Representation |
---|---|
bin | 11101010101010000001001 |
3 | 112110122122010 |
4 | 131111100021 |
5 | 3432023400 |
6 | 432450133 |
7 | 122233365 |
oct | 35252011 |
9 | 15418563 |
10 | 7689225 |
11 | 4382035 |
12 | 26a9949 |
13 | 1792b4b |
14 | 10422a5 |
15 | a1d450 |
hex | 755409 |
7689225 has 12 divisors (see below), whose sum is σ = 12712976. Its totient is φ = 4100880.
The previous prime is 7689223. The next prime is 7689239. The reversal of 7689225 is 5229867.
It is a happy number.
It is not a de Polignac number, because 7689225 - 21 = 7689223 is a prime.
It is a super-2 number, since 2×76892252 = 118248362201250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7689221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51187 + ... + 51336.
Almost surely, 27689225 is an apocalyptic number.
7689225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7689225 is a deficient number, since it is larger than the sum of its proper divisors (5023751).
7689225 is a wasteful number, since it uses less digits than its factorization.
7689225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102536 (or 102531 counting only the distinct ones).
The product of its digits is 60480, while the sum is 39.
The square root of 7689225 is about 2772.9451851777. The cubic root of 7689225 is about 197.3759301938.
The spelling of 7689225 in words is "seven million, six hundred eighty-nine thousand, two hundred twenty-five".
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