Base | Representation |
---|---|
bin | 10101010101110… |
… | …001000010011101 |
3 | 220221200200021212 |
4 | 111111301002131 |
5 | 1213123334141 |
6 | 55305434205 |
7 | 11605116503 |
oct | 2525610235 |
9 | 827620255 |
10 | 358027421 |
11 | 174108334 |
12 | 9ba9b965 |
13 | 59236c5b |
14 | 3579a673 |
15 | 216722eb |
hex | 1557109d |
358027421 has 4 divisors (see below), whose sum is σ = 358190844. Its totient is φ = 357864000.
The previous prime is 358027409. The next prime is 358027477. The reversal of 358027421 is 124720853.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 315595225 + 42432196 = 17765^2 + 6514^2 .
It is a cyclic number.
It is not a de Polignac number, because 358027421 - 210 = 358026397 is a prime.
It is a super-2 number, since 2×3580274212 = 256367268375822482, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (358021421) 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, 78380 + ... + 82821.
It is an arithmetic number, because the mean of its divisors is an integer number (89547711).
Almost surely, 2358027421 is an apocalyptic number.
It is an amenable number.
358027421 is a deficient number, since it is larger than the sum of its proper divisors (163423).
358027421 is a wasteful number, since it uses less digits than its factorization.
358027421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163422.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 358027421 is about 18921.6125369906. The cubic root of 358027421 is about 710.0769743961.
The spelling of 358027421 in words is "three hundred fifty-eight million, twenty-seven thousand, four hundred twenty-one".
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