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198014194 = 27211317881
BaseRepresentation
bin10111100110101…
…11010011110010
3111210121011102001
423303113103302
5401142423234
631352044214
74623043600
oct1363272362
9453534361
10198014194
11a1856aa4
125639366a
1332040481
141c426870
15125b5d14
hexbcd74f2

198014194 has 24 divisors (see below), whose sum is σ = 348591708. Its totient is φ = 84107520.

The previous prime is 198014189. The next prime is 198014197. The reversal of 198014194 is 491410891.

It can be written as a sum of positive squares in 2 ways, for example, as 169338169 + 28676025 = 13013^2 + 5355^2 .

It is not an unprimeable number, because it can be changed into a prime (198014197) 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 11 ways as a sum of consecutive naturals, for example, 2134 + ... + 20014.

Almost surely, 2198014194 is an apocalyptic number.

198014194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198014194 is a deficient number, since it is larger than the sum of its proper divisors (150577514).

198014194 is a wasteful number, since it uses less digits than its factorization.

198014194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18010 (or 18003 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 198014194 is about 14071.7516322596. The cubic root of 198014194 is about 582.8615955004.

The spelling of 198014194 in words is "one hundred ninety-eight million, fourteen thousand, one hundred ninety-four".

Divisors: 1 2 7 14 49 98 113 226 791 1582 5537 11074 17881 35762 125167 250334 876169 1752338 2020553 4041106 14143871 28287742 99007097 198014194