Base | Representation |
---|---|
bin | 11110010000011… |
… | …00110110101011 |
3 | 122200120210011220 |
4 | 33020030312223 |
5 | 1004433324133 |
6 | 41103553123 |
7 | 6201222066 |
oct | 1710146653 |
9 | 580523156 |
10 | 253808043 |
11 | 1202a4815 |
12 | 70bbb7a3 |
13 | 40776a98 |
14 | 259cb8dd |
15 | 174375b3 |
hex | f20cdab |
253808043 has 8 divisors (see below), whose sum is σ = 344796048. Its totient is φ = 166012704.
The previous prime is 253808039. The next prime is 253808047. The reversal of 253808043 is 340808352.
It is an interprime number because it is at equal distance from previous prime (253808039) and next prime (253808047).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 253808043 - 22 = 253808039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 253807995 and 253808013.
It is not an unprimeable number, because it can be changed into a prime (253808047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797980 + ... + 798297.
It is an arithmetic number, because the mean of its divisors is an integer number (43099506).
Almost surely, 2253808043 is an apocalyptic number.
253808043 is a deficient number, since it is larger than the sum of its proper divisors (90988005).
253808043 is a wasteful number, since it uses less digits than its factorization.
253808043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1596333.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 253808043 is about 15931.3540855760. The cubic root of 253808043 is about 633.1429763709.
The spelling of 253808043 in words is "two hundred fifty-three million, eight hundred eight thousand, forty-three".
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