Base | Representation |
---|---|
bin | 11011110000010001101110 |
3 | 111200122021210 |
4 | 123300101232 |
5 | 3330310010 |
6 | 415535250 |
7 | 115561515 |
oct | 33602156 |
9 | 14618253 |
10 | 7275630 |
11 | 411a31a |
12 | 252a526 |
13 | 167980b |
14 | d7567c |
15 | 98ab20 |
hex | 6f046e |
7275630 has 16 divisors (see below), whose sum is σ = 17461584. Its totient is φ = 1940160.
The previous prime is 7275629. The next prime is 7275637. The reversal of 7275630 is 365727.
7275630 is digitally balanced in base 4, 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 (30), and also a Moran number because the ratio is a prime number: 242521 = 7275630 / (7 + 2 + 7 + 5 + 6 + 3 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7275637) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121231 + ... + 121290.
It is an arithmetic number, because the mean of its divisors is an integer number (1091349).
Almost surely, 27275630 is an apocalyptic number.
7275630 is an abundant number, since it is smaller than the sum of its proper divisors (10185954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7275630 is a wasteful number, since it uses less digits than its factorization.
7275630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242531.
The product of its (nonzero) digits is 8820, while the sum is 30.
The square root of 7275630 is about 2697.3375762036. The cubic root of 7275630 is about 193.7716340740.
Subtracting from 7275630 its reverse (365727), we obtain a triangular number (6909903 = T3717).
The spelling of 7275630 in words is "seven million, two hundred seventy-five thousand, six hundred thirty".
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