Base | Representation |
---|---|
bin | 10101010101100… |
… | …010100010001001 |
3 | 220221120122210102 |
4 | 111111202202021 |
5 | 1213114434014 |
6 | 55304255145 |
7 | 11604451340 |
oct | 2525424211 |
9 | 827518712 |
10 | 357968009 |
11 | 174077733 |
12 | 9ba714b5 |
13 | 59215bb9 |
14 | 35782b57 |
15 | 2165e8de |
hex | 15562889 |
357968009 has 4 divisors (see below), whose sum is σ = 409106304. Its totient is φ = 306829716.
The previous prime is 357967979. The next prime is 357968011. The reversal of 357968009 is 900869753.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 357968009 - 216 = 357902473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (357968059) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25569137 + ... + 25569150.
It is an arithmetic number, because the mean of its divisors is an integer number (102276576).
Almost surely, 2357968009 is an apocalyptic number.
It is an amenable number.
357968009 is a deficient number, since it is larger than the sum of its proper divisors (51138295).
357968009 is an equidigital number, since it uses as much as digits as its factorization.
357968009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51138294.
The product of its (nonzero) digits is 408240, while the sum is 47.
The square root of 357968009 is about 18920.0425210939. The cubic root of 357968009 is about 710.0376948842.
The spelling of 357968009 in words is "three hundred fifty-seven million, nine hundred sixty-eight thousand, nine".
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