Base | Representation |
---|---|
bin | 1100010001000… |
… | …00101101111011 |
3 | 21011121120122220 |
4 | 12020200231323 |
5 | 202320110314 |
6 | 14113215123 |
7 | 2356405563 |
oct | 610405573 |
9 | 234546586 |
10 | 102894459 |
11 | 53099148 |
12 | 2a5614a3 |
13 | 184180c5 |
14 | d945da3 |
15 | 90773a9 |
hex | 6220b7b |
102894459 has 8 divisors (see below), whose sum is σ = 137244672. Its totient is φ = 68570280.
The previous prime is 102894439. The next prime is 102894541. The reversal of 102894459 is 954498201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102894459 - 224 = 86117243 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 102894459.
It is not an unprimeable number, because it can be changed into a prime (102894409) 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, 6342 + ... + 15684.
It is an arithmetic number, because the mean of its divisors is an integer number (17155584).
Almost surely, 2102894459 is an apocalyptic number.
102894459 is a deficient number, since it is larger than the sum of its proper divisors (34350213).
102894459 is an equidigital number, since it uses as much as digits as its factorization.
102894459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13017.
The product of its (nonzero) digits is 103680, while the sum is 42.
The square root of 102894459 is about 10143.6906005655. The cubic root of 102894459 is about 468.5946537320.
The spelling of 102894459 in words is "one hundred two million, eight hundred ninety-four thousand, four hundred fifty-nine".
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