Base | Representation |
---|---|
bin | 11001011100100… |
… | …01100010011101 |
3 | 112212122202000210 |
4 | 30232101202131 |
5 | 414121111203 |
6 | 33103043033 |
7 | 5201232525 |
oct | 1456214235 |
9 | 485582023 |
10 | 213457053 |
11 | aa544497 |
12 | 5b5a0479 |
13 | 352b9564 |
14 | 204c6685 |
15 | 13b16803 |
hex | cb9189d |
213457053 has 8 divisors (see below), whose sum is σ = 284715648. Its totient is φ = 142251584.
The previous prime is 213457003. The next prime is 213457061. The reversal of 213457053 is 350754312.
213457053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 213457053 - 29 = 213456541 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 213457053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213457003) 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, 2700 + ... + 20837.
It is an arithmetic number, because the mean of its divisors is an integer number (35589456).
Almost surely, 2213457053 is an apocalyptic number.
It is an amenable number.
213457053 is a deficient number, since it is larger than the sum of its proper divisors (71258595).
213457053 is a wasteful number, since it uses less digits than its factorization.
213457053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26563.
The product of its (nonzero) digits is 12600, while the sum is 30.
The square root of 213457053 is about 14610.1695062035. The cubic root of 213457053 is about 597.6361184486.
The spelling of 213457053 in words is "two hundred thirteen million, four hundred fifty-seven thousand, fifty-three".
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