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258053289 = 3136616751
BaseRepresentation
bin11110110000110…
…01010010101001
3122222120110120020
433120121102221
51012030201124
641334551053
76252262644
oct1730312251
9588513506
10258053289
1112273428a
1272508489
1341602170
14263b4a5b
15179c5379
hexf6194a9

258053289 has 8 divisors (see below), whose sum is σ = 370538112. Its totient is φ = 158802000.

The previous prime is 258053273. The next prime is 258053293. The reversal of 258053289 is 982350852.

258053289 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 not a de Polignac number, because 258053289 - 24 = 258053273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258053289.

It is not an unprimeable number, because it can be changed into a prime (258053209) 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, 3308337 + ... + 3308414.

It is an arithmetic number, because the mean of its divisors is an integer number (46317264).

Almost surely, 2258053289 is an apocalyptic number.

It is an amenable number.

258053289 is a deficient number, since it is larger than the sum of its proper divisors (112484823).

258053289 is a wasteful number, since it uses less digits than its factorization.

258053289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616767.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 258053289 is about 16064.0371326762. The cubic root of 258053289 is about 636.6535028604.

The spelling of 258053289 in words is "two hundred fifty-eight million, fifty-three thousand, two hundred eighty-nine".

Divisors: 1 3 13 39 6616751 19850253 86017763 258053289