Base | Representation |
---|---|
bin | 11101011110000011011100 |
3 | 112112111002100 |
4 | 131132003130 |
5 | 3434202101 |
6 | 433325100 |
7 | 122443446 |
oct | 35360334 |
9 | 15474070 |
10 | 7725276 |
11 | 43a7129 |
12 | 2706790 |
13 | 17a6390 |
14 | 1051496 |
15 | a28e86 |
hex | 75e0dc |
7725276 has 72 divisors (see below), whose sum is σ = 22289904. Its totient is φ = 2234880.
The previous prime is 7725271. The next prime is 7725287. The reversal of 7725276 is 6725277.
7725276 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 7725276.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7725271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7471 + ... + 8441.
It is an arithmetic number, because the mean of its divisors is an integer number (309582).
Almost surely, 27725276 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7725276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11144952).
7725276 is an abundant number, since it is smaller than the sum of its proper divisors (14564628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7725276 is a wasteful number, since it uses less digits than its factorization.
7725276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1011 (or 1006 counting only the distinct ones).
The product of its digits is 41160, while the sum is 36.
The square root of 7725276 is about 2779.4380727046. The cubic root of 7725276 is about 197.6839156331.
Subtracting from 7725276 its reverse (6725277), we obtain a palindrome (999999).
It can be divided in two parts, 7725 and 276, that added together give a triangular number (8001 = T126).
The spelling of 7725276 in words is "seven million, seven hundred twenty-five thousand, two hundred seventy-six".
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