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258968 = 2332371
BaseRepresentation
bin111111001110011000
3111011020102
4333032120
531241333
65314532
72126003
oct771630
9434212
10258968
11167626
12105a48
1390b48
146a53a
1551ae8
hex3f398

258968 has 8 divisors (see below), whose sum is σ = 485580. Its totient is φ = 129480.

The previous prime is 258967. The next prime is 258971. The reversal of 258968 is 869852.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258967) 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 as a sum of consecutive naturals, namely, 16178 + ... + 16193.

2258968 is an apocalyptic number.

It is an amenable number.

258968 is a deficient number, since it is larger than the sum of its proper divisors (226612).

258968 is a wasteful number, since it uses less digits than its factorization.

258968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32377 (or 32373 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 258968 is about 508.8889859292. Note that the first 3 decimals coincide. The cubic root of 258968 is about 63.7404855723.

The spelling of 258968 in words is "two hundred fifty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 32371 64742 129484 258968