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258285005 = 51144910459
BaseRepresentation
bin11110110010100…
…01110111001101
3200000000020102022
433121101313031
51012110110010
641343535525
76254246336
oct1731216715
9600006368
10258285005
11122882390
12725ba5a5
1341683784
142643528d
1517a1dd55
hexf651dcd

258285005 has 16 divisors (see below), whose sum is σ = 338904000. Its totient is φ = 187407360.

The previous prime is 258284989. The next prime is 258285017. The reversal of 258285005 is 500582852.

It is not a de Polignac number, because 258285005 - 24 = 258284989 is a prime.

It is a super-2 number, since 2×2582850052 = 133422287615700050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19466 + ... + 29924.

It is an arithmetic number, because the mean of its divisors is an integer number (21181500).

Almost surely, 2258285005 is an apocalyptic number.

It is an amenable number.

258285005 is a deficient number, since it is larger than the sum of its proper divisors (80618995).

258285005 is a wasteful number, since it uses less digits than its factorization.

258285005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 258285005 is about 16071.2477735862. The cubic root of 258285005 is about 636.8440044297.

The spelling of 258285005 in words is "two hundred fifty-eight million, two hundred eighty-five thousand, five".

Divisors: 1 5 11 55 449 2245 4939 10459 24695 52295 115049 575245 4696091 23480455 51657001 258285005