Base | Representation |
---|---|
bin | 1100001100000… |
… | …10011111110001 |
3 | 21010101122200011 |
4 | 12012002133301 |
5 | 202133341020 |
6 | 14051254521 |
7 | 2351036263 |
oct | 606023761 |
9 | 233348604 |
10 | 102246385 |
11 | 5279624a |
12 | 2a2aa441 |
13 | 1824c127 |
14 | d817b33 |
15 | 8e9a35a |
hex | 61827f1 |
102246385 has 16 divisors (see below), whose sum is σ = 130761216. Its totient is φ = 76571968.
The previous prime is 102246383. The next prime is 102246409. The reversal of 102246385 is 583642201.
It is not a de Polignac number, because 102246385 - 21 = 102246383 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102246383) 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 15 ways as a sum of consecutive naturals, for example, 4054 + ... + 14863.
It is an arithmetic number, because the mean of its divisors is an integer number (8172576).
Almost surely, 2102246385 is an apocalyptic number.
It is an amenable number.
102246385 is a deficient number, since it is larger than the sum of its proper divisors (28514831).
102246385 is a wasteful number, since it uses less digits than its factorization.
102246385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18992.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 102246385 is about 10111.6954562526. The cubic root of 102246385 is about 467.6087767700.
Adding to 102246385 its reverse (583642201), we get a palindrome (685888586).
The spelling of 102246385 in words is "one hundred two million, two hundred forty-six thousand, three hundred eighty-five".
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