Base | Representation |
---|---|
bin | 11001101010100… |
… | …11110000100001 |
3 | 120000010102122210 |
4 | 30311103300201 |
5 | 420104114103 |
6 | 33210352333 |
7 | 5223013104 |
oct | 1465236041 |
9 | 500112583 |
10 | 215301153 |
11 | 100593a41 |
12 | 6012b6a9 |
13 | 357b3a42 |
14 | 2084673b |
15 | 13d7ce03 |
hex | cd53c21 |
215301153 has 8 divisors (see below), whose sum is σ = 287360128. Its totient is φ = 143388144.
The previous prime is 215301143. The next prime is 215301157. The reversal of 215301153 is 351103512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-215301153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (215301157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33001 + ... + 38982.
It is an arithmetic number, because the mean of its divisors is an integer number (35920016).
Almost surely, 2215301153 is an apocalyptic number.
It is an amenable number.
215301153 is a deficient number, since it is larger than the sum of its proper divisors (72058975).
215301153 is an equidigital number, since it uses as much as digits as its factorization.
215301153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72983.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 215301153 is about 14673.1439371390. The cubic root of 215301153 is about 599.3522203320.
Adding to 215301153 its reverse (351103512), we get a palindrome (566404665).
The spelling of 215301153 in words is "two hundred fifteen million, three hundred one thousand, one hundred fifty-three".
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