Base | Representation |
---|---|
bin | 1100001101100… |
… | …11111100001100 |
3 | 21010202221111000 |
4 | 12012303330030 |
5 | 202211331113 |
6 | 14055500300 |
7 | 2352541602 |
oct | 606637414 |
9 | 233687430 |
10 | 102448908 |
11 | 52914421 |
12 | 2a387690 |
13 | 182c0373 |
14 | d86b872 |
15 | 8eda373 |
hex | 61b3f0c |
102448908 has 48 divisors (see below), whose sum is σ = 271272960. Its totient is φ = 33421392.
The previous prime is 102448891. The next prime is 102448921. The reversal of 102448908 is 809844201.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5016 + ... + 15167.
It is an arithmetic number, because the mean of its divisors is an integer number (5651520).
Almost surely, 2102448908 is an apocalyptic number.
102448908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
102448908 is an abundant number, since it is smaller than the sum of its proper divisors (168824052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102448908 is a wasteful number, since it uses less digits than its factorization.
102448908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20243 (or 20235 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 102448908 is about 10121.7047971179. The cubic root of 102448908 is about 467.9173095192.
The spelling of 102448908 in words is "one hundred two million, four hundred forty-eight thousand, nine hundred eight".
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