Search a number
-
+
258251107 = 2311228309
BaseRepresentation
bin11110110010010…
…01100101100011
3122222221111220211
433121021211203
51012103013412
641343114551
76254045452
oct1731114543
9588844824
10258251107
11122859974
12725a2a57
134167120a
1426426b99
1517a13ca7
hexf649963

258251107 has 4 divisors (see below), whose sum is σ = 269479440. Its totient is φ = 247022776.

The previous prime is 258251089. The next prime is 258251137. The reversal of 258251107 is 701152852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258251107 - 211 = 258249059 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258251137) 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, 5614132 + ... + 5614177.

It is an arithmetic number, because the mean of its divisors is an integer number (67369860).

Almost surely, 2258251107 is an apocalyptic number.

258251107 is a deficient number, since it is larger than the sum of its proper divisors (11228333).

258251107 is a wasteful number, since it uses less digits than its factorization.

258251107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228332.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 258251107 is about 16070.1931226728. The cubic root of 258251107 is about 636.8161428529.

The spelling of 258251107 in words is "two hundred fifty-eight million, two hundred fifty-one thousand, one hundred seven".

Divisors: 1 23 11228309 258251107