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258950 = 2525179
BaseRepresentation
bin111111001110000110
3111011012202
4333032012
531241300
65314502
72125646
oct771606
9434182
10258950
1116760a
12105a32
1390b33
146a526
1551ad5
hex3f386

258950 has 12 divisors (see below), whose sum is σ = 481740. Its totient is φ = 103560.

The previous prime is 258949. The next prime is 258959. The reversal of 258950 is 59852.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258959) 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 5 ways as a sum of consecutive naturals, for example, 2540 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (40145).

258950 is a Friedman number, since it can be written as 50*((9*8)^2-5), using all its digits and the basic arithmetic operations.

2258950 is an apocalyptic number.

258950 is a deficient number, since it is larger than the sum of its proper divisors (222790).

258950 is a wasteful number, since it uses less digits than its factorization.

258950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 258950 is about 508.8713000357. The cubic root of 258950 is about 63.7390087420.

The spelling of 258950 in words is "two hundred fifty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 5179 10358 25895 51790 129475 258950