Base | Representation |
---|---|
bin | 101001100100110… |
… | …0010100010100001 |
3 | 10121012221211112211 |
4 | 1103021202202201 |
5 | 10324110302242 |
6 | 350231522121 |
7 | 46366246444 |
oct | 12311424241 |
9 | 3535854484 |
10 | 1395009697 |
11 | 6564a0484 |
12 | 32b229341 |
13 | 193022233 |
14 | d33b365b |
15 | 8270b317 |
hex | 532628a1 |
1395009697 has 8 divisors (see below), whose sum is σ = 1470123200. Its totient is φ = 1320065424.
The previous prime is 1395009689. The next prime is 1395009743. The reversal of 1395009697 is 7969005931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1395009697 - 23 = 1395009689 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1395009697.
It is not an unprimeable number, because it can be changed into a prime (1395009197) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25197 + ... + 58522.
It is an arithmetic number, because the mean of its divisors is an integer number (183765400).
Almost surely, 21395009697 is an apocalyptic number.
It is an amenable number.
1395009697 is a deficient number, since it is larger than the sum of its proper divisors (75113503).
1395009697 is an equidigital number, since it uses as much as digits as its factorization.
1395009697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84615.
The product of its (nonzero) digits is 459270, while the sum is 49.
The square root of 1395009697 is about 37349.8286073711. The cubic root of 1395009697 is about 1117.3581699362.
The spelling of 1395009697 in words is "one billion, three hundred ninety-five million, nine thousand, six hundred ninety-seven".
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