Search a number
-
+
258091195 = 5173036367
BaseRepresentation
bin11110110001000…
…10100010111011
3122222122101120011
433120202202323
51012032404240
641335442351
76252511315
oct1730424273
9588571504
10258091195
1112275a80a
12725263b7
13416164ab
14263c47b5
15179d16ea
hexf6228bb

258091195 has 8 divisors (see below), whose sum is σ = 327927744. Its totient is φ = 194327424.

The previous prime is 258091139. The next prime is 258091199. The reversal of 258091195 is 591190852.

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 258091195 - 213 = 258083003 is a prime.

It is a super-2 number, since 2×2580911952 = 133222129873056050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258091199) 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, 1518099 + ... + 1518268.

It is an arithmetic number, because the mean of its divisors is an integer number (40990968).

Almost surely, 2258091195 is an apocalyptic number.

258091195 is a deficient number, since it is larger than the sum of its proper divisors (69836549).

258091195 is a wasteful number, since it uses less digits than its factorization.

258091195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036389.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 258091195 is about 16065.2169297523. The cubic root of 258091195 is about 636.6846744661.

The spelling of 258091195 in words is "two hundred fifty-eight million, ninety-one thousand, one hundred ninety-five".

Divisors: 1 5 17 85 3036367 15181835 51618239 258091195