Base | Representation |
---|---|
bin | 11010111110110010011101 |
3 | 111022100020012 |
4 | 122332302131 |
5 | 3302313200 |
6 | 411333005 |
7 | 114055526 |
oct | 32766235 |
9 | 14270205 |
10 | 7072925 |
11 | 3aa0aa2 |
12 | 2451165 |
13 | 1608482 |
14 | d2184d |
15 | 94aa35 |
hex | 6bec9d |
7072925 has 6 divisors (see below), whose sum is σ = 8770458. Its totient is φ = 5658320.
The previous prime is 7072913. The next prime is 7072927. The reversal of 7072925 is 5292707.
It can be written as a sum of positive squares in 3 ways, for example, as 1592644 + 5480281 = 1262^2 + 2341^2 .
It is not a de Polignac number, because 7072925 - 24 = 7072909 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7072891 and 7072900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7072927) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141434 + ... + 141483.
It is an arithmetic number, because the mean of its divisors is an integer number (1461743).
Almost surely, 27072925 is an apocalyptic number.
It is an amenable number.
7072925 is a deficient number, since it is larger than the sum of its proper divisors (1697533).
7072925 is a wasteful number, since it uses less digits than its factorization.
7072925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282927 (or 282922 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 32.
The square root of 7072925 is about 2659.4971329182. The cubic root of 7072925 is about 191.9551128430.
It can be divided in two parts, 7072 and 925, that added together give a palindrome (7997).
The spelling of 7072925 in words is "seven million, seventy-two thousand, nine hundred twenty-five".
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