Base | Representation |
---|---|
bin | 1010010000100… |
… | …0011001001101 |
3 | 2222221221120110 |
4 | 2210020121031 |
5 | 42003312442 |
6 | 4134110233 |
7 | 1031500140 |
oct | 244103115 |
9 | 88857513 |
10 | 43025997 |
11 | 22318083 |
12 | 124ab379 |
13 | 8bb5c91 |
14 | 5a00057 |
15 | 3b9d69c |
hex | 290864d |
43025997 has 32 divisors (see below), whose sum is σ = 69894144. Its totient is φ = 22982400.
The previous prime is 43025977. The next prime is 43026001. The reversal of 43025997 is 79952034.
It is not a de Polignac number, because 43025997 - 27 = 43025869 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43025977) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67872 + ... + 68502.
It is an arithmetic number, because the mean of its divisors is an integer number (2184192).
Almost surely, 243025997 is an apocalyptic number.
It is an amenable number.
43025997 is a deficient number, since it is larger than the sum of its proper divisors (26868147).
43025997 is a wasteful number, since it uses less digits than its factorization.
43025997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 849.
The product of its (nonzero) digits is 68040, while the sum is 39.
The square root of 43025997 is about 6559.4204774507. The cubic root of 43025997 is about 350.4103947913.
Subtracting 43025997 from its reverse (79952034), we obtain a cube (36926037 = 3333).
The spelling of 43025997 in words is "forty-three million, twenty-five thousand, nine hundred ninety-seven".
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