Base | Representation |
---|---|
bin | 10011000100000010000011 |
3 | 100101212221101 |
4 | 103010002003 |
5 | 2234403001 |
6 | 255035231 |
7 | 60322150 |
oct | 23040203 |
9 | 10355841 |
10 | 4997251 |
11 | 2903566 |
12 | 180bb17 |
13 | 105c76c |
14 | 941227 |
15 | 68aa01 |
hex | 4c4083 |
4997251 has 16 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 4078368.
The previous prime is 4997243. The next prime is 4997273. The reversal of 4997251 is 1527994.
It is not a de Polignac number, because 4997251 - 23 = 4997243 is a prime.
It is a Duffinian number.
Its product of digits (22680) is a multiple of the sum of its prime divisors (378).
It is a self number, because there is not a number n which added to its sum of digits gives 4997251.
It is not an unprimeable number, because it can be changed into a prime (4997281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20790 + ... + 21028.
It is an arithmetic number, because the mean of its divisors is an integer number (374400).
Almost surely, 24997251 is an apocalyptic number.
4997251 is a deficient number, since it is larger than the sum of its proper divisors (993149).
4997251 is a wasteful number, since it uses less digits than its factorization.
4997251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378.
The product of its digits is 22680, while the sum is 37.
The square root of 4997251 is about 2235.4531978997. The cubic root of 4997251 is about 170.9662507635.
It can be divided in two parts, 499 and 7251, that added together give a triangular number (7750 = T124).
The spelling of 4997251 in words is "four million, nine hundred ninety-seven thousand, two hundred fifty-one".
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