Search a number
-
+
258144193 = 8319915629
BaseRepresentation
bin11110110001011…
…11011111000001
3122222202002021001
433120233133001
51012041103233
641340532001
76253121656
oct1730573701
9588662231
10258144193
1112279660a
1272551001
1341634658
14263d9c2d
15179e227d
hexf62f7c1

258144193 has 8 divisors (see below), whose sum is σ = 262584000. Its totient is φ = 253736208.

The previous prime is 258144181. The next prime is 258144197. The reversal of 258144193 is 391441852.

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 258144193 - 29 = 258143681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258144197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8703 + ... + 24331.

It is an arithmetic number, because the mean of its divisors is an integer number (32823000).

Almost surely, 2258144193 is an apocalyptic number.

It is an amenable number.

258144193 is a deficient number, since it is larger than the sum of its proper divisors (4439807).

258144193 is a wasteful number, since it uses less digits than its factorization.

258144193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911.

The product of its digits is 34560, while the sum is 37.

The square root of 258144193 is about 16066.8663092714. The cubic root of 258144193 is about 636.7282517049.

The spelling of 258144193 in words is "two hundred fifty-eight million, one hundred forty-four thousand, one hundred ninety-three".

Divisors: 1 83 199 15629 16517 1297207 3110171 258144193