Base | Representation |
---|---|
bin | 100110010001… |
… | …000010001000 |
3 | 200212122021102 |
4 | 212101002020 |
5 | 10031444430 |
6 | 555000532 |
7 | 151156412 |
oct | 46210210 |
9 | 20778242 |
10 | 10031240 |
11 | 573168a |
12 | 3439148 |
13 | 2102b5b |
14 | 14919b2 |
15 | d32345 |
hex | 991088 |
10031240 has 64 divisors (see below), whose sum is σ = 24235200. Its totient is φ = 3725568.
The previous prime is 10031237. The next prime is 10031251. The reversal of 10031240 is 4213001.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50822 + ... + 51018.
It is an arithmetic number, because the mean of its divisors is an integer number (378675).
Almost surely, 210031240 is an apocalyptic number.
10031240 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 10031240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12117600).
10031240 is an abundant number, since it is smaller than the sum of its proper divisors (14203960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031240 is a wasteful number, since it uses less digits than its factorization.
10031240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 10031240 is about 3167.2132861555. The cubic root of 10031240 is about 215.6675842520.
Adding to 10031240 its reverse (4213001), we get a palindrome (14244241).
The spelling of 10031240 in words is "ten million, thirty-one thousand, two hundred forty".
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