Base | Representation |
---|---|
bin | 10111101010100… |
… | …001111011101001 |
3 | 1000200001221220200 |
4 | 113222201323221 |
5 | 1303114300001 |
6 | 103221342413 |
7 | 12560441202 |
oct | 2752417351 |
9 | 1020057820 |
10 | 397025001 |
11 | 19412383a |
12 | b0b67a09 |
13 | 6433c449 |
14 | 3aa2c5a9 |
15 | 24cc7086 |
hex | 17aa1ee9 |
397025001 has 12 divisors (see below), whose sum is σ = 573796080. Its totient is φ = 264537720.
The previous prime is 397024981. The next prime is 397025003. The reversal of 397025001 is 100520793.
It is not a de Polignac number, because 397025001 - 26 = 397024937 is a prime.
It is not an unprimeable number, because it can be changed into a prime (397025003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6666 + ... + 28956.
It is an arithmetic number, because the mean of its divisors is an integer number (47816340).
Almost surely, 2397025001 is an apocalyptic number.
It is an amenable number.
397025001 is a deficient number, since it is larger than the sum of its proper divisors (176771079).
397025001 is a wasteful number, since it uses less digits than its factorization.
397025001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24276 (or 24273 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 397025001 is about 19925.4862174051. The cubic root of 397025001 is about 734.9750873133.
Adding to 397025001 its reverse (100520793), we get a palindrome (497545794).
The spelling of 397025001 in words is "three hundred ninety-seven million, twenty-five thousand, one".
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