Base | Representation |
---|---|
bin | 101001101000100… |
… | …1000101010010000 |
3 | 10121100200222220011 |
4 | 1103101020222100 |
5 | 10330113011343 |
6 | 350342324304 |
7 | 46422211525 |
oct | 12321105220 |
9 | 3540628804 |
10 | 1397000848 |
11 | 657630461 |
12 | 32ba29694 |
13 | 19356b629 |
14 | d377114c |
15 | 829a129d |
hex | 53448a90 |
1397000848 has 10 divisors (see below), whose sum is σ = 2706689174. Its totient is φ = 698500416.
The previous prime is 1397000809. The next prime is 1397000849. The reversal of 1397000848 is 8480007931.
It can be written as a sum of positive squares in only one way, i.e., 975437824 + 421563024 = 31232^2 + 20532^2 .
It is a super-2 number, since 2×13970008482 = 3903222738625438208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1397000848.
It is not an unprimeable number, because it can be changed into a prime (1397000849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43656261 + ... + 43656292.
Almost surely, 21397000848 is an apocalyptic number.
It is an amenable number.
1397000848 is a deficient number, since it is larger than the sum of its proper divisors (1309688326).
1397000848 is an equidigital number, since it uses as much as digits as its factorization.
1397000848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87312561 (or 87312555 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 1397000848 is about 37376.4745260973. The cubic root of 1397000848 is about 1117.8895333031.
The spelling of 1397000848 in words is "one billion, three hundred ninety-seven million, eight hundred forty-eight", and thus it is an aban number.
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