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258030853 = 1272398501
BaseRepresentation
bin11110110000100…
…11110100000101
3122222112022210021
433120103310011
51012023441403
641334255141
76252140353
oct1730236405
9588468707
10258030853
11122719443
12724b74b1
13415c4ba2
14263aa7d3
15179bd8bd
hexf613d05

258030853 has 8 divisors (see below), whose sum is σ = 261181440. Its totient is φ = 254898000.

The previous prime is 258030841. The next prime is 258030863. The reversal of 258030853 is 358030852.

258030853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258030853 - 217 = 257899781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258030803) 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, 26103 + ... + 34603.

It is an arithmetic number, because the mean of its divisors is an integer number (32647680).

Almost surely, 2258030853 is an apocalyptic number.

It is an amenable number.

258030853 is a deficient number, since it is larger than the sum of its proper divisors (3150587).

258030853 is a wasteful number, since it uses less digits than its factorization.

258030853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 258030853 is about 16063.3387874377. The cubic root of 258030853 is about 636.6350514105.

Subtracting 258030853 from its reverse (358030852), we obtain a palindrome (99999999).

It can be divided in two parts, 2580 and 30853, that added together give a palindrome (33433).

The spelling of 258030853 in words is "two hundred fifty-eight million, thirty thousand, eight hundred fifty-three".

Divisors: 1 127 239 8501 30353 1079627 2031739 258030853