Base | Representation |
---|---|
bin | 11101000110100001011111 |
3 | 112100120212200 |
4 | 131012201133 |
5 | 3423111040 |
6 | 431302543 |
7 | 121562451 |
oct | 35064137 |
9 | 15316780 |
10 | 7628895 |
11 | 434077a |
12 | 267aa53 |
13 | 1771551 |
14 | 10282d1 |
15 | a0a630 |
hex | 74685f |
7628895 has 12 divisors (see below), whose sum is σ = 13223496. Its totient is φ = 4068720.
The previous prime is 7628867. The next prime is 7628897. The reversal of 7628895 is 5988267.
7628895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7628895 - 213 = 7620703 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 169531 = 7628895 / (7 + 6 + 2 + 8 + 8 + 9 + 5).
7628895 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 7628895.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7628897) 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 11 ways as a sum of consecutive naturals, for example, 84721 + ... + 84810.
It is an arithmetic number, because the mean of its divisors is an integer number (1101958).
Almost surely, 27628895 is an apocalyptic number.
7628895 is a deficient number, since it is larger than the sum of its proper divisors (5594601).
7628895 is a wasteful number, since it uses less digits than its factorization.
7628895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169542 (or 169539 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 7628895 is about 2762.0454377146. The cubic root of 7628895 is about 196.8583674535.
The spelling of 7628895 in words is "seven million, six hundred twenty-eight thousand, eight hundred ninety-five".
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