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258208422 = 23376191879
BaseRepresentation
bin11110110001111…
…11001010100110
3122222212100100220
433120333022212
51012100132142
641342145210
76253510143
oct1730771246
9588770326
10258208422
1112282a89a
1272582206
1341657964
14264153ca
1517a062ec
hexf63f2a6

258208422 has 32 divisors (see below), whose sum is σ = 531513600. Its totient is φ = 83563488.

The previous prime is 258208387. The next prime is 258208429. The reversal of 258208422 is 224802852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258208429) by changing a digit.

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, 136479 + ... + 138357.

It is an arithmetic number, because the mean of its divisors is an integer number (16609800).

Almost surely, 2258208422 is an apocalyptic number.

258208422 is an abundant number, since it is smaller than the sum of its proper divisors (273305178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258208422 is a wasteful number, since it uses less digits than its factorization.

258208422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 258208422 is about 16068.8649879200. The cubic root of 258208422 is about 636.7810555624.

The spelling of 258208422 in words is "two hundred fifty-eight million, two hundred eight thousand, four hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 619 1238 1857 1879 3714 3758 5637 11274 22903 45806 68709 69523 137418 139046 208569 417138 1163101 2326202 3489303 6978606 43034737 86069474 129104211 258208422