Base | Representation |
---|---|
bin | 1100001011111… |
… | …10100011100101 |
3 | 21010100211112101 |
4 | 12011332203211 |
5 | 202132331440 |
6 | 14051052101 |
7 | 2350641235 |
oct | 605764345 |
9 | 233324471 |
10 | 102230245 |
11 | 52785107 |
12 | 2a2a1031 |
13 | 18244990 |
14 | d811cc5 |
15 | 8e9569a |
hex | 617e8e5 |
102230245 has 8 divisors (see below), whose sum is σ = 132113016. Its totient is φ = 75493056.
The previous prime is 102230243. The next prime is 102230251. The reversal of 102230245 is 542032201.
It can be written as a sum of positive squares in 4 ways, for example, as 744769 + 101485476 = 863^2 + 10074^2 .
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 102230245 - 21 = 102230243 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 (102230243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786322 + ... + 786451.
It is an arithmetic number, because the mean of its divisors is an integer number (16514127).
Almost surely, 2102230245 is an apocalyptic number.
It is an amenable number.
102230245 is a deficient number, since it is larger than the sum of its proper divisors (29882771).
102230245 is a wasteful number, since it uses less digits than its factorization.
102230245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1572791.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 102230245 is about 10110.8973390100. The cubic root of 102230245 is about 467.5841708379.
Adding to 102230245 its reverse (542032201), we get a palindrome (644262446).
The spelling of 102230245 in words is "one hundred two million, two hundred thirty thousand, two hundred forty-five".
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