Base | Representation |
---|---|
bin | 11110001010101… |
… | …11111000110011 |
3 | 122122012010101120 |
4 | 33011113320303 |
5 | 1004241114203 |
6 | 41040033323 |
7 | 6162014043 |
oct | 1705277063 |
9 | 578163346 |
10 | 253066803 |
11 | 11a938920 |
12 | 70902843 |
13 | 40577592 |
14 | 25877723 |
15 | 1733cb53 |
hex | f157e33 |
253066803 has 8 divisors (see below), whose sum is σ = 368097216. Its totient is φ = 153373800.
The previous prime is 253066763. The next prime is 253066819. The reversal of 253066803 is 308660352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 253066803 - 217 = 252935731 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 7668691 = 253066803 / (2 + 5 + 3 + 0 + 6 + 6 + 8 + 0 + 3).
It is not an unprimeable number, because it can be changed into a prime (253066843) 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 7 ways as a sum of consecutive naturals, for example, 3834313 + ... + 3834378.
It is an arithmetic number, because the mean of its divisors is an integer number (46012152).
Almost surely, 2253066803 is an apocalyptic number.
253066803 is a deficient number, since it is larger than the sum of its proper divisors (115030413).
253066803 is a wasteful number, since it uses less digits than its factorization.
253066803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7668705.
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 253066803 is about 15908.0735162998. The cubic root of 253066803 is about 632.5260160004.
The spelling of 253066803 in words is "two hundred fifty-three million, sixty-six thousand, eight hundred three".
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