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198992675 = 5272612663
BaseRepresentation
bin10111101110001…
…10001100100011
3111212102212122002
423313012030203
5401420231200
631425034215
74634260400
oct1367061443
9455385562
10198992675
11a2365162
125678596b
13322c395b
141c5dd2a7
151270abd5
hexbdc6323

198992675 has 36 divisors (see below), whose sum is σ = 291851856. Its totient is φ = 134164800.

The previous prime is 198992669. The next prime is 198992699. The reversal of 198992675 is 576299891.

It is not a de Polignac number, because 198992675 - 24 = 198992659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198992675.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 73394 + ... + 76056.

It is an arithmetic number, because the mean of its divisors is an integer number (8106996).

Almost surely, 2198992675 is an apocalyptic number.

198992675 is a deficient number, since it is larger than the sum of its proper divisors (92859181).

198992675 is a wasteful number, since it uses less digits than its factorization.

198992675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2736 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 56.

The square root of 198992675 is about 14106.4763495353. The cubic root of 198992675 is about 583.8200826190.

The spelling of 198992675 in words is "one hundred ninety-eight million, nine hundred ninety-two thousand, six hundred seventy-five".

Divisors: 1 5 7 25 35 49 61 175 245 305 427 1225 1525 2135 2663 2989 10675 13315 14945 18641 66575 74725 93205 130487 162443 466025 652435 812215 1137101 3262175 4061075 5685505 7959707 28427525 39798535 198992675