Base | Representation |
---|---|
bin | 100011101100011… |
… | …1001001111000001 |
3 | 10002110200212210220 |
4 | 1013120321033001 |
5 | 4423103130400 |
6 | 314503013253 |
7 | 41452231500 |
oct | 10730711701 |
9 | 3073625726 |
10 | 1197708225 |
11 | 565090a0a |
12 | 29513a229 |
13 | 1611a12bc |
14 | b50d4837 |
15 | 702367a0 |
hex | 476393c1 |
1197708225 has 144 divisors (see below), whose sum is σ = 2569924800. Its totient is φ = 487710720.
The previous prime is 1197708209. The next prime is 1197708229. The reversal of 1197708225 is 5228077911.
It is not a de Polignac number, because 1197708225 - 24 = 1197708209 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1197708229) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1186521 + ... + 1187529.
It is an arithmetic number, because the mean of its divisors is an integer number (17846700).
Almost surely, 21197708225 is an apocalyptic number.
1197708225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1197708225 is an abundant number, since it is smaller than the sum of its proper divisors (1372216575).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1197708225 is a wasteful number, since it uses less digits than its factorization.
1197708225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1072 (or 1060 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 42.
The square root of 1197708225 is about 34607.9214198137. The cubic root of 1197708225 is about 1061.9816451940.
The spelling of 1197708225 in words is "one billion, one hundred ninety-seven million, seven hundred eight thousand, two hundred twenty-five".
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