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198475053 = 379451193
BaseRepresentation
bin10111101010001…
…11110100101101
3111211110120120220
423311013310231
5401302200203
631410001553
74630003320
oct1365076455
9454416526
10198475053
11a2041277
12565762b9
133217217a
141c5067b7
1512657653
hexbd47d2d

198475053 has 8 divisors (see below), whose sum is σ = 302438208. Its totient is φ = 113414304.

The previous prime is 198475009. The next prime is 198475061. The reversal of 198475053 is 350574891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198475053 - 212 = 198470957 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 198474996 and 198475014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198475063) 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 7 ways as a sum of consecutive naturals, for example, 4725576 + ... + 4725617.

It is an arithmetic number, because the mean of its divisors is an integer number (37804776).

Almost surely, 2198475053 is an apocalyptic number.

It is an amenable number.

198475053 is a deficient number, since it is larger than the sum of its proper divisors (103963155).

198475053 is an equidigital number, since it uses as much as digits as its factorization.

198475053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451203.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 198475053 is about 14088.1174398853. The cubic root of 198475053 is about 583.3134299241.

The spelling of 198475053 in words is "one hundred ninety-eight million, four hundred seventy-five thousand, fifty-three".

Divisors: 1 3 7 21 9451193 28353579 66158351 198475053