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258229906 = 21111737723
BaseRepresentation
bin11110110010001…
…00011010010010
3122222220102211121
433121010122102
51012101324111
641342432454
76253626604
oct1731043222
9588812747
10258229906
11122844a50
127259272a
134166467c
142641d174
1517a0c871
hexf644692

258229906 has 8 divisors (see below), whose sum is σ = 422558064. Its totient is φ = 117377220.

The previous prime is 258229903. The next prime is 258229913. The reversal of 258229906 is 609922852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (258229903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5868840 + ... + 5868883.

It is an arithmetic number, because the mean of its divisors is an integer number (52819758).

Almost surely, 2258229906 is an apocalyptic number.

258229906 is a deficient number, since it is larger than the sum of its proper divisors (164328158).

258229906 is a wasteful number, since it uses less digits than its factorization.

258229906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737736.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 258229906 is about 16069.5334717595. The cubic root of 258229906 is about 636.7987160047.

The spelling of 258229906 in words is "two hundred fifty-eight million, two hundred twenty-nine thousand, nine hundred six".

Divisors: 1 2 11 22 11737723 23475446 129114953 258229906