Base | Representation |
---|---|
bin | 10111101011111… |
… | …010001001101101 |
3 | 1000200202022120221 |
4 | 113223322021231 |
5 | 1303212330344 |
6 | 103233211341 |
7 | 12563504533 |
oct | 2753721155 |
9 | 1020668527 |
10 | 397386349 |
11 | 194350278 |
12 | b1100b51 |
13 | 64437a69 |
14 | 3aac4153 |
15 | 24d49184 |
hex | 17afa26d |
397386349 has 8 divisors (see below), whose sum is σ = 428030240. Its totient is φ = 367715376.
The previous prime is 397386347. The next prime is 397386389. The reversal of 397386349 is 943683793.
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 397386349 - 21 = 397386347 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 397386296 and 397386305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (397386343) 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, 242382 + ... + 244015.
It is an arithmetic number, because the mean of its divisors is an integer number (53503780).
Almost surely, 2397386349 is an apocalyptic number.
It is an amenable number.
397386349 is a deficient number, since it is larger than the sum of its proper divisors (30643891).
397386349 is a wasteful number, since it uses less digits than its factorization.
397386349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486459.
The product of its digits is 2939328, while the sum is 52.
The square root of 397386349 is about 19934.5516377971. The cubic root of 397386349 is about 735.1979962366.
The spelling of 397386349 in words is "three hundred ninety-seven million, three hundred eighty-six thousand, three hundred forty-nine".
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