Base | Representation |
---|---|
bin | 11001011001010… |
… | …00001000010101 |
3 | 112211211210202222 |
4 | 30230220020111 |
5 | 414013302201 |
6 | 33045512125 |
7 | 5164454006 |
oct | 1454501025 |
9 | 484753688 |
10 | 213025301 |
11 | aa27a075 |
12 | 5b412645 |
13 | 35197b98 |
14 | 204131ad |
15 | 13a7d91b |
hex | cb28215 |
213025301 has 4 divisors (see below), whose sum is σ = 213177900. Its totient is φ = 212872704.
The previous prime is 213025297. The next prime is 213025331. The reversal of 213025301 is 103520312.
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 24512401 + 188512900 = 4951^2 + 13730^2 .
It is a cyclic number.
It is not a de Polignac number, because 213025301 - 22 = 213025297 is a prime.
It is a super-2 number, since 2×2130253012 = 90759557732281202, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 213025301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213025331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74186 + ... + 77003.
It is an arithmetic number, because the mean of its divisors is an integer number (53294475).
Almost surely, 2213025301 is an apocalyptic number.
It is an amenable number.
213025301 is a deficient number, since it is larger than the sum of its proper divisors (152599).
213025301 is a wasteful number, since it uses less digits than its factorization.
213025301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152598.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 213025301 is about 14595.3862915649. The cubic root of 213025301 is about 597.2329073556.
Adding to 213025301 its reverse (103520312), we get a palindrome (316545613).
The spelling of 213025301 in words is "two hundred thirteen million, twenty-five thousand, three hundred one".
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