Base | Representation |
---|---|
bin | 1100001101010… |
… | …10101111011001 |
3 | 21010201000210100 |
4 | 12012222233121 |
5 | 202204124400 |
6 | 14055010013 |
7 | 2352324000 |
oct | 606525731 |
9 | 233630710 |
10 | 102411225 |
11 | 52899084 |
12 | 2a369909 |
13 | 182a9177 |
14 | d85bc37 |
15 | 8ece100 |
hex | 61aabd9 |
102411225 has 72 divisors (see below), whose sum is σ = 214073600. Its totient is φ = 46781280.
The previous prime is 102411217. The next prime is 102411233. The reversal of 102411225 is 522114201.
It is an interprime number because it is at equal distance from previous prime (102411217) and next prime (102411233).
It is not a de Polignac number, because 102411225 - 23 = 102411217 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102411198 and 102411207.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 76512 + ... + 77838.
Almost surely, 2102411225 is an apocalyptic number.
102411225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102411225 is an abundant number, since it is smaller than the sum of its proper divisors (111662375).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102411225 is a wasteful number, since it uses less digits than its factorization.
102411225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1364 (or 1342 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 102411225 is about 10119.8431311953. The cubic root of 102411225 is about 467.8599323327.
Adding to 102411225 its reverse (522114201), we get a palindrome (624525426).
The spelling of 102411225 in words is "one hundred two million, four hundred eleven thousand, two hundred twenty-five".
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