Search a number
-
+
258050081 = 1072938231
BaseRepresentation
bin11110110000110…
…00100000100001
3122222120022011102
433120120200201
51012030100311
641334524145
76252250412
oct1730304041
9588508142
10258050081
11122731933
1272506655
1341600873
14263b3809
15179c443b
hexf618821

258050081 has 8 divisors (see below), whose sum is σ = 261382464. Its totient is φ = 254734960.

The previous prime is 258050053. The next prime is 258050083. The reversal of 258050081 is 180050852.

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 258050081 - 226 = 190941217 is a prime.

It is a super-2 number, since 2×2580500812 = 133179688608213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258050083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27236 + ... + 35466.

It is an arithmetic number, because the mean of its divisors is an integer number (32672808).

Almost surely, 2258050081 is an apocalyptic number.

It is an amenable number.

258050081 is a deficient number, since it is larger than the sum of its proper divisors (3332383).

258050081 is a wasteful number, since it uses less digits than its factorization.

258050081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 258050081 is about 16063.9372819991. The cubic root of 258050081 is about 636.6508646547.

The spelling of 258050081 in words is "two hundred fifty-eight million, fifty thousand, eighty-one".

Divisors: 1 107 293 8231 31351 880717 2411683 258050081