Base | Representation |
---|---|
bin | 1100001101010… |
… | …11011110000111 |
3 | 21010201011220002 |
4 | 12012223132013 |
5 | 202204223330 |
6 | 14055031515 |
7 | 2352335501 |
oct | 606533607 |
9 | 233634802 |
10 | 102414215 |
11 | 528a0352 |
12 | 2a36b59b |
13 | 182aa637 |
14 | d85cd71 |
15 | 8ecee45 |
hex | 61ab787 |
102414215 has 4 divisors (see below), whose sum is σ = 122897064. Its totient is φ = 81931368.
The previous prime is 102414203. The next prime is 102414217. The reversal of 102414215 is 512414201.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102414215 - 216 = 102348679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102414217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10241417 + ... + 10241426.
It is an arithmetic number, because the mean of its divisors is an integer number (30724266).
Almost surely, 2102414215 is an apocalyptic number.
102414215 is a deficient number, since it is larger than the sum of its proper divisors (20482849).
102414215 is an equidigital number, since it uses as much as digits as its factorization.
102414215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20482848.
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 102414215 is about 10119.9908596797. The cubic root of 102414215 is about 467.8644855041.
Adding to 102414215 its reverse (512414201), we get a palindrome (614828416).
The spelling of 102414215 in words is "one hundred two million, four hundred fourteen thousand, two hundred fifteen".
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