Search a number
-
+
258613136 = 2479204599
BaseRepresentation
bin11110110101000…
…01111110010000
3200000121220112022
433122201332100
51012201110021
641354551012
76260114105
oct1732417620
9600556468
10258613136
11122a86971
1272738468
1341769c32
14264bcaac
1517a861ab
hexf6a1f90

258613136 has 20 divisors (see below), whose sum is σ = 507408000. Its totient is φ = 127669152.

The previous prime is 258613133. The next prime is 258613139. The reversal of 258613136 is 631316852.

It is an interprime number because it is at equal distance from previous prime (258613133) and next prime (258613139).

It is a super-2 number, since 2×2586131362 = 133761508223508992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 258613096 and 258613105.

It is not an unprimeable number, because it can be changed into a prime (258613133) 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, 101036 + ... + 103563.

It is an arithmetic number, because the mean of its divisors is an integer number (25370400).

Almost surely, 2258613136 is an apocalyptic number.

It is an amenable number.

258613136 is a deficient number, since it is larger than the sum of its proper divisors (248794864).

258613136 is a wasteful number, since it uses less digits than its factorization.

258613136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204686 (or 204680 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 258613136 is about 16081.4531681686. The cubic root of 258613136 is about 637.1135772217.

Adding to 258613136 its reverse (631316852), we get a palindrome (889929988).

The spelling of 258613136 in words is "two hundred fifty-eight million, six hundred thirteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 79 158 316 632 1264 204599 409198 818396 1636792 3273584 16163321 32326642 64653284 129306568 258613136