Base | Representation |
---|---|
bin | 101100101001010… |
… | …100111001011001 |
3 | 1221012102201100221 |
4 | 230221110321121 |
5 | 3013222443001 |
6 | 202154200041 |
7 | 24363441565 |
oct | 5451247131 |
9 | 1835381327 |
10 | 749031001 |
11 | 354899094 |
12 | 18aa23021 |
13 | bc248714 |
14 | 7169c6a5 |
15 | 45b5a1a1 |
hex | 2ca54e59 |
749031001 has 2 divisors, whose sum is σ = 749031002. Its totient is φ = 749031000.
The previous prime is 749030983. The next prime is 749031011. The reversal of 749031001 is 100130947.
749031001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 745344601 + 3686400 = 27301^2 + 1920^2 .
It is a cyclic number.
It is not a de Polignac number, because 749031001 - 215 = 748998233 is a prime.
It is a super-2 number, since 2×7490310012 = 1122094880918124002, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (749031011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374515500 + 374515501.
It is an arithmetic number, because the mean of its divisors is an integer number (374515501).
Almost surely, 2749031001 is an apocalyptic number.
It is an amenable number.
749031001 is a deficient number, since it is larger than the sum of its proper divisors (1).
749031001 is an equidigital number, since it uses as much as digits as its factorization.
749031001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 749031001 is about 27368.4307368910. The cubic root of 749031001 is about 908.1688415507.
Adding to 749031001 its reverse (100130947), we get a palindrome (849161948).
The spelling of 749031001 in words is "seven hundred forty-nine million, thirty-one thousand, one".
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