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258092198 = 27131783417
BaseRepresentation
bin11110110001000…
…10110010100110
3122222122102221022
433120202302212
51012032422243
641335451142
76252514250
oct1730426246
9588572838
10258092198
11122760541
1272526ab2
1341616aa0
14263c4cd0
15179d1b68
hexf622ca6

258092198 has 32 divisors (see below), whose sum is σ = 504512064. Its totient is φ = 96095232.

The previous prime is 258092189. The next prime is 258092203. The reversal of 258092198 is 891290852.

258092198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2580921982 = 133223165336942408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38615 + ... + 44802.

It is an arithmetic number, because the mean of its divisors is an integer number (15766002).

Almost surely, 2258092198 is an apocalyptic number.

258092198 is a deficient number, since it is larger than the sum of its proper divisors (246419866).

258092198 is a wasteful number, since it uses less digits than its factorization.

258092198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83456.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 258092198 is about 16065.2481462317. The cubic root of 258092198 is about 636.6854992313.

The spelling of 258092198 in words is "two hundred fifty-eight million, ninety-two thousand, one hundred ninety-eight".

Divisors: 1 2 7 13 14 17 26 34 91 119 182 221 238 442 1547 3094 83417 166834 583919 1084421 1167838 1418089 2168842 2836178 7590947 9926623 15181894 18435157 19853246 36870314 129046099 258092198