Base | Representation |
---|---|
bin | 100111001011… |
… | …111111010000 |
3 | 201022220112010 |
4 | 213023333100 |
5 | 10112211340 |
6 | 1004102520 |
7 | 153213423 |
oct | 47137720 |
9 | 21286463 |
10 | 10272720 |
11 | 5887057 |
12 | 3534a40 |
13 | 2188a43 |
14 | 15159ba |
15 | d7db80 |
hex | 9cbfd0 |
10272720 has 80 divisors (see below), whose sum is σ = 33247872. Its totient is φ = 2618880.
The previous prime is 10272719. The next prime is 10272733. The reversal of 10272720 is 2727201.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
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, 4590 + ... + 6450.
Almost surely, 210272720 is an apocalyptic number.
10272720 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 10272720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16623936).
10272720 is an abundant number, since it is smaller than the sum of its proper divisors (22975152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10272720 is a wasteful number, since it uses less digits than its factorization.
10272720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1900 (or 1894 counting only the distinct ones).
The product of its (nonzero) digits is 392, while the sum is 21.
The square root of 10272720 is about 3205.1084225031. The cubic root of 10272720 is about 217.3844544160.
Adding to 10272720 its reverse (2727201), we get a palindrome (12999921).
The spelling of 10272720 in words is "ten million, two hundred seventy-two thousand, seven hundred twenty".
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