Base | Representation |
---|---|
bin | 1010001110100010… |
… | …00110010001000101 |
3 | 112011122120222210110 |
4 | 11013101012101011 |
5 | 42221100203444 |
6 | 2304455143233 |
7 | 253030412511 |
oct | 50721062105 |
9 | 15148528713 |
10 | 5490631749 |
11 | 2368355999 |
12 | 1092974b19 |
13 | 6966b3835 |
14 | 3a12d9141 |
15 | 22206dcb9 |
hex | 147446445 |
5490631749 has 4 divisors (see below), whose sum is σ = 7320842336. Its totient is φ = 3660421164.
The previous prime is 5490631739. The next prime is 5490631759. The reversal of 5490631749 is 9471360945.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (5490631739) and next prime (5490631759).
It is not a de Polignac number, because 5490631749 - 28 = 5490631493 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 5490631698 and 5490631707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5490631739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915105289 + ... + 915105294.
It is an arithmetic number, because the mean of its divisors is an integer number (1830210584).
Almost surely, 25490631749 is an apocalyptic number.
It is an amenable number.
5490631749 is a deficient number, since it is larger than the sum of its proper divisors (1830210587).
5490631749 is a wasteful number, since it uses less digits than its factorization.
5490631749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1830210586.
The product of its (nonzero) digits is 816480, while the sum is 48.
The square root of 5490631749 is about 74098.7972169589. The cubic root of 5490631749 is about 1764.1713802337.
The spelling of 5490631749 in words is "five billion, four hundred ninety million, six hundred thirty-one thousand, seven hundred forty-nine".
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