Base | Representation |
---|---|
bin | 11010111010111010010101 |
3 | 111021112110001 |
4 | 122322322111 |
5 | 3301311140 |
6 | 411131301 |
7 | 113661322 |
oct | 32727225 |
9 | 14245401 |
10 | 7057045 |
11 | 3a90076 |
12 | 2443b31 |
13 | 1601188 |
14 | d19b49 |
15 | 945e9a |
hex | 6bae95 |
7057045 has 16 divisors (see below), whose sum is σ = 8716032. Its totient is φ = 5483520.
The previous prime is 7057033. The next prime is 7057051. The reversal of 7057045 is 5407507.
It is not a de Polignac number, because 7057045 - 25 = 7057013 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 36469 + ... + 36661.
It is an arithmetic number, because the mean of its divisors is an integer number (544752).
Almost surely, 27057045 is an apocalyptic number.
It is an amenable number.
7057045 is a deficient number, since it is larger than the sum of its proper divisors (1658987).
7057045 is a wasteful number, since it uses less digits than its factorization.
7057045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 372.
The product of its (nonzero) digits is 4900, while the sum is 28.
The square root of 7057045 is about 2656.5099284588. The cubic root of 7057045 is about 191.8113471765.
Multiplying 7057045 by its sum of digits (28), we get a triangular number (197597260 = T19879).
It can be divided in two parts, 705 and 7045, that added together give a triangular number (7750 = T124).
The spelling of 7057045 in words is "seven million, fifty-seven thousand, forty-five".
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