Base | Representation |
---|---|
bin | 1100001011111… |
… | …01011001100100 |
3 | 21010100121000221 |
4 | 12011331121210 |
5 | 202132204013 |
6 | 14051014124 |
7 | 2350621360 |
oct | 605753144 |
9 | 233317027 |
10 | 102225508 |
11 | 527815a0 |
12 | 2a29a344 |
13 | 18242788 |
14 | d8102a0 |
15 | 8e9408d |
hex | 617d664 |
102225508 has 48 divisors (see below), whose sum is σ = 226735488. Its totient is φ = 39168000.
The previous prime is 102225503. The next prime is 102225509. The reversal of 102225508 is 805522201.
It is a super-3 number, since 3×1022255083 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (102225503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16068 + ... + 21508.
It is an arithmetic number, because the mean of its divisors is an integer number (4723656).
Almost surely, 2102225508 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102225508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113367744).
102225508 is an abundant number, since it is smaller than the sum of its proper divisors (124509980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102225508 is a wasteful number, since it uses less digits than its factorization.
102225508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5524 (or 5522 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 102225508 is about 10110.6630840910. The cubic root of 102225508 is about 467.5769486425.
Adding to 102225508 its reverse (805522201), we get a palindrome (907747709).
The spelling of 102225508 in words is "one hundred two million, two hundred twenty-five thousand, five hundred eight".
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