Base | Representation |
---|---|
bin | 11011101010000011010010 |
3 | 111122100022100 |
4 | 123222003102 |
5 | 3324001010 |
6 | 415221230 |
7 | 115424256 |
oct | 33520322 |
9 | 14570270 |
10 | 7250130 |
11 | 4102148 |
12 | 2517816 |
13 | 166b024 |
14 | d6a266 |
15 | 9832c0 |
hex | 6ea0d2 |
7250130 has 24 divisors (see below), whose sum is σ = 18850572. Its totient is φ = 1933344.
The previous prime is 7250123. The next prime is 7250161. The reversal of 7250130 is 310527.
It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 8649 = 2691^2 + 93^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40189 + ... + 40368.
Almost surely, 27250130 is an apocalyptic number.
7250130 is an abundant number, since it is smaller than the sum of its proper divisors (11600442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7250130 is a wasteful number, since it uses less digits than its factorization.
7250130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80570 (or 80567 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 7250130 is about 2692.6065438530. The cubic root of 7250130 is about 193.5449888382.
Adding to 7250130 its reverse (310527), we get a palindrome (7560657).
The spelling of 7250130 in words is "seven million, two hundred fifty thousand, one hundred thirty".
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