Base | Representation |
---|---|
bin | 10110111100111… |
… | …001000110000101 |
3 | 222211120010201220 |
4 | 112330321012011 |
5 | 1242033430003 |
6 | 102113110553 |
7 | 12353652363 |
oct | 2674710605 |
9 | 884503656 |
10 | 385061253 |
11 | 1883a2245 |
12 | a8b58459 |
13 | 61a10ac5 |
14 | 391d6633 |
15 | 23c12353 |
hex | 16f39185 |
385061253 has 4 divisors (see below), whose sum is σ = 513415008. Its totient is φ = 256707500.
The previous prime is 385061249. The next prime is 385061267. The reversal of 385061253 is 352160583.
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 a cyclic number.
It is not a de Polignac number, because 385061253 - 22 = 385061249 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385061233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64176873 + ... + 64176878.
It is an arithmetic number, because the mean of its divisors is an integer number (128353752).
Almost surely, 2385061253 is an apocalyptic number.
It is an amenable number.
385061253 is a deficient number, since it is larger than the sum of its proper divisors (128353755).
385061253 is a wasteful number, since it uses less digits than its factorization.
385061253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128353754.
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 385061253 is about 19622.9776792412. The cubic root of 385061253 is about 727.5172131353.
The spelling of 385061253 in words is "three hundred eighty-five million, sixty-one thousand, two hundred fifty-three".
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