Search a number
-
+
258280326 = 2317
BaseRepresentation
bin11110110010100…
…00101110000110
3200000000000000000
433121100232012
51012104432301
641343502130
76254226603
oct1731205606
9600000000
10258280326
11122879917
12725b7946
13416815c5
14264336aa
1517a1c786
hexf650b86

258280326 has 36 divisors (see below), whose sum is σ = 581130732. Its totient is φ = 86093442.

The previous prime is 258280249. The next prime is 258280327. The reversal of 258280326 is 623082852.

258280326 is a `hidden beast` number, since 2 + 58 + 280 + 326 = 666.

258280326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 3 and base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258280327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86093441 + 86093442 + 86093443.

Almost surely, 2258280326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258280326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290565366).

258280326 is an abundant number, since it is smaller than the sum of its proper divisors (322850406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258280326 is an frugal number, since it uses more digits than its factorization.

258280326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 258280326 is about 16071.1022024004. The cubic root of 258280326 is about 636.8401587928.

The spelling of 258280326 in words is "two hundred fifty-eight million, two hundred eighty thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 6561 13122 19683 39366 59049 118098 177147 354294 531441 1062882 1594323 3188646 4782969 9565938 14348907 28697814 43046721 86093442 129140163 258280326