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198920608 = 2512748947
BaseRepresentation
bin10111101101101…
…00100110100000
3111212022012202221
423312310212200
5401410424413
631423320424
74633540315
oct1366644640
9455265687
10198920608
11a2315aa7
1256750114
1332299c03
141c5c0d0c
15126e468d
hexbdb49a0

198920608 has 24 divisors (see below), whose sum is σ = 394716672. Its totient is φ = 98675136.

The previous prime is 198920581. The next prime is 198920609. The reversal of 198920608 is 806029891.

It is a happy number.

198920608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198920609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20410 + ... + 28537.

It is an arithmetic number, because the mean of its divisors is an integer number (16446528).

Almost surely, 2198920608 is an apocalyptic number.

It is an amenable number.

198920608 is a deficient number, since it is larger than the sum of its proper divisors (195796064).

198920608 is a wasteful number, since it uses less digits than its factorization.

198920608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084 (or 49076 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 198920608 is about 14103.9217241163. The cubic root of 198920608 is about 583.7495955318.

The spelling of 198920608 in words is "one hundred ninety-eight million, nine hundred twenty thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 127 254 508 1016 2032 4064 48947 97894 195788 391576 783152 1566304 6216269 12432538 24865076 49730152 99460304 198920608