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198506968 = 23112255761
BaseRepresentation
bin10111101010011…
…11100111011000
3111211112012100221
423311033213120
5401304210333
631410405424
74630165342
oct1365174730
9454465327
10198506968
11a2063250
1256590874
133218385a
141c514292
1512661d2d
hexbd4f9d8

198506968 has 16 divisors (see below), whose sum is σ = 406037160. Its totient is φ = 90230400.

The previous prime is 198506933. The next prime is 198506999. The reversal of 198506968 is 869605891.

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 3 ways as a sum of consecutive naturals, for example, 1127793 + ... + 1127968.

Almost surely, 2198506968 is an apocalyptic number.

It is an amenable number.

198506968 is an abundant number, since it is smaller than the sum of its proper divisors (207530192).

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

198506968 is a wasteful number, since it uses less digits than its factorization.

198506968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255778 (or 2255774 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 198506968 is about 14089.2500865021. The cubic root of 198506968 is about 583.3446940554.

The spelling of 198506968 in words is "one hundred ninety-eight million, five hundred six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 2255761 4511522 9023044 18046088 24813371 49626742 99253484 198506968