Base | Representation |
---|---|
bin | 11010111110101010000001 |
3 | 111022022111012 |
4 | 122332222001 |
5 | 3302304020 |
6 | 411330305 |
7 | 114054125 |
oct | 32765201 |
9 | 14268435 |
10 | 7072385 |
11 | 3aa0651 |
12 | 2450995 |
13 | 1608158 |
14 | d21585 |
15 | 94a7c5 |
hex | 6bea81 |
7072385 has 16 divisors (see below), whose sum is σ = 8968320. Its totient is φ = 5343360.
The previous prime is 7072369. The next prime is 7072397. The reversal of 7072385 is 5832707.
It is not a de Polignac number, because 7072385 - 24 = 7072369 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9890 + ... + 10580.
It is an arithmetic number, because the mean of its divisors is an integer number (560520).
Almost surely, 27072385 is an apocalyptic number.
It is an amenable number.
7072385 is a deficient number, since it is larger than the sum of its proper divisors (1895935).
7072385 is a wasteful number, since it uses less digits than its factorization.
7072385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 808.
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 7072385 is about 2659.3956080283. The cubic root of 7072385 is about 191.9502276223.
The spelling of 7072385 in words is "seven million, seventy-two thousand, three hundred eighty-five".
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