Base | Representation |
---|---|
bin | 1100001101101… |
… | …01000011000000 |
3 | 21010210011200212 |
4 | 12012311003000 |
5 | 202212002230 |
6 | 14055533252 |
7 | 2352561035 |
oct | 606650300 |
9 | 233704625 |
10 | 102453440 |
11 | 52917871 |
12 | 2a38a228 |
13 | 182c244b |
14 | d86d38c |
15 | 8edb895 |
hex | 61b50c0 |
102453440 has 56 divisors (see below), whose sum is σ = 245985792. Its totient is φ = 40642560.
The previous prime is 102453427. The next prime is 102453451. The reversal of 102453440 is 44354201.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39380 + ... + 41900.
Almost surely, 2102453440 is an apocalyptic number.
102453440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122992896).
102453440 is an abundant number, since it is smaller than the sum of its proper divisors (143532352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102453440 is a wasteful number, since it uses less digits than its factorization.
102453440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2665 (or 2655 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 102453440 is about 10121.9286699719. The cubic root of 102453440 is about 467.9242091209.
The spelling of 102453440 in words is "one hundred two million, four hundred fifty-three thousand, four hundred forty".
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