Base | Representation |
---|---|
bin | 1100010010100… |
… | …11010000000000 |
3 | 21012000002120212 |
4 | 12021103100000 |
5 | 202343221230 |
6 | 14121453252 |
7 | 2361230201 |
oct | 611232000 |
9 | 235002525 |
10 | 103101440 |
11 | 5321a702 |
12 | 2a641228 |
13 | 1848b390 |
14 | d99b5a8 |
15 | 90b8895 |
hex | 6253400 |
103101440 has 88 divisors (see below), whose sum is σ = 266519400. Its totient is φ = 38043648.
The previous prime is 103101437. The next prime is 103101491. The reversal of 103101440 is 44101301.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 200704 + 102900736 = 448^2 + 10144^2 .
It is a congruent number.
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, 65786 + ... + 67334.
Almost surely, 2103101440 is an apocalyptic number.
103101440 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 103101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133259700).
103101440 is an abundant number, since it is smaller than the sum of its proper divisors (163417960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103101440 is a wasteful number, since it uses less digits than its factorization.
103101440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1587 (or 1569 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 103101440 is about 10153.8879253220. The cubic root of 103101440 is about 468.9086493506.
Adding to 103101440 its reverse (44101301), we get a palindrome (147202741).
The spelling of 103101440 in words is "one hundred three million, one hundred one thousand, four hundred forty".
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