Base | Representation |
---|---|
bin | 11001011100100… |
… | …00110111010101 |
3 | 112212122121020120 |
4 | 30232100313111 |
5 | 414121014133 |
6 | 33103022153 |
7 | 5201221503 |
oct | 1456206725 |
9 | 485577216 |
10 | 213454293 |
11 | aa542408 |
12 | 5b59a959 |
13 | 352b8220 |
14 | 204c5673 |
15 | 13b15ab3 |
hex | cb90dd5 |
213454293 has 8 divisors (see below), whose sum is σ = 306498528. Its totient is φ = 131356464.
The previous prime is 213454291. The next prime is 213454301. The reversal of 213454293 is 392454312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213454293 - 21 = 213454291 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213454291) 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, 2736555 + ... + 2736632.
It is an arithmetic number, because the mean of its divisors is an integer number (38312316).
Almost surely, 2213454293 is an apocalyptic number.
It is an amenable number.
213454293 is a deficient number, since it is larger than the sum of its proper divisors (93044235).
213454293 is a wasteful number, since it uses less digits than its factorization.
213454293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5473203.
The product of its digits is 25920, while the sum is 33.
The square root of 213454293 is about 14610.0750511419. The cubic root of 213454293 is about 597.6335426255.
The spelling of 213454293 in words is "two hundred thirteen million, four hundred fifty-four thousand, two hundred ninety-three".
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