Base | Representation |
---|---|
bin | 100110010001… |
… | …000010010010 |
3 | 200212122021210 |
4 | 212101002102 |
5 | 10032000000 |
6 | 555000550 |
7 | 151156425 |
oct | 46210222 |
9 | 20778253 |
10 | 10031250 |
11 | 5731699 |
12 | 3439156 |
13 | 2102b68 |
14 | 14919bc |
15 | d32350 |
hex | 991092 |
10031250 has 56 divisors (see below), whose sum is σ = 25312176. Its totient is φ = 2650000.
The previous prime is 10031237. The next prime is 10031251. The reversal of 10031250 is 5213001.
It is not an unprimeable number, because it can be changed into a prime (10031251) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 93697 + ... + 93803.
Almost surely, 210031250 is an apocalyptic number.
10031250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10031250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12656088).
10031250 is an abundant number, since it is smaller than the sum of its proper divisors (15280926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031250 is an frugal number, since it uses more digits than its factorization.
10031250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142 (or 117 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 10031250 is about 3167.2148648300. The cubic root of 10031250 is about 215.6676559173.
Adding to 10031250 its reverse (5213001), we get a palindrome (15244251).
The spelling of 10031250 in words is "ten million, thirty-one thousand, two hundred fifty".
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