Base | Representation |
---|---|
bin | 10101001011001… |
… | …010101101000101 |
3 | 220202110111222002 |
4 | 111023022231011 |
5 | 1211420431330 |
6 | 55130115045 |
7 | 11542365161 |
oct | 2513125505 |
9 | 822414862 |
10 | 355248965 |
11 | 17258a895 |
12 | 9ab7ba85 |
13 | 587a33b6 |
14 | 35275ca1 |
15 | 212c3e45 |
hex | 152cab45 |
355248965 has 4 divisors (see below), whose sum is σ = 426298764. Its totient is φ = 284199168.
The previous prime is 355248953. The next prime is 355248973. The reversal of 355248965 is 569842553.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569842553 = 7 ⋅81406079.
It can be written as a sum of positive squares in 2 ways, for example, as 235499716 + 119749249 = 15346^2 + 10943^2 .
It is a cyclic number.
It is not a de Polignac number, because 355248965 - 28 = 355248709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35524892 + ... + 35524901.
It is an arithmetic number, because the mean of its divisors is an integer number (106574691).
Almost surely, 2355248965 is an apocalyptic number.
It is an amenable number.
355248965 is a deficient number, since it is larger than the sum of its proper divisors (71049799).
355248965 is an equidigital number, since it uses as much as digits as its factorization.
355248965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71049798.
The product of its digits is 1296000, while the sum is 47.
The square root of 355248965 is about 18848.0493685686. The cubic root of 355248965 is about 708.2353618902.
The spelling of 355248965 in words is "three hundred fifty-five million, two hundred forty-eight thousand, nine hundred sixty-five".
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