Base | Representation |
---|---|
bin | 1100001010100… |
… | …01011011100111 |
3 | 21010000102222211 |
4 | 12011101123213 |
5 | 202110423130 |
6 | 14043104251 |
7 | 2346241333 |
oct | 605213347 |
9 | 233012884 |
10 | 102045415 |
11 | 5266925a |
12 | 2a212087 |
13 | 181ab804 |
14 | d7a47c3 |
15 | 8e5aa2a |
hex | 61516e7 |
102045415 has 8 divisors (see below), whose sum is σ = 122898240. Its totient is φ = 81340512.
The previous prime is 102045401. The next prime is 102045443. The reversal of 102045415 is 514540201.
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 102045415 - 221 = 99948263 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35455 + ... + 38224.
It is an arithmetic number, because the mean of its divisors is an integer number (15362280).
Almost surely, 2102045415 is an apocalyptic number.
102045415 is a deficient number, since it is larger than the sum of its proper divisors (20852825).
102045415 is an equidigital number, since it uses as much as digits as its factorization.
102045415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73961.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 102045415 is about 10101.7530656812. The cubic root of 102045415 is about 467.3022069284.
Adding to 102045415 its reverse (514540201), we get a palindrome (616585616).
The spelling of 102045415 in words is "one hundred two million, forty-five thousand, four hundred fifteen".
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