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198382151 = 1128363727
BaseRepresentation
bin10111101001100…
…01001001000111
3111211021212011002
423310301021013
5401241212101
631404003515
74626135422
oct1364611107
9454255132
10198382151
11a1a884a0
125653059b
133213bab6
141c4c09b9
1512639d6b
hexbd31247

198382151 has 8 divisors (see below), whose sum is σ = 217185024. Its totient is φ = 179707320.

The previous prime is 198382147. The next prime is 198382183. The reversal of 198382151 is 151283891.

198382151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 198382151 - 22 = 198382147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198382141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28751 + ... + 34976.

It is an arithmetic number, because the mean of its divisors is an integer number (27148128).

Almost surely, 2198382151 is an apocalyptic number.

198382151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

198382151 is a deficient number, since it is larger than the sum of its proper divisors (18802873).

198382151 is a wasteful number, since it uses less digits than its factorization.

198382151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64021.

The product of its digits is 17280, while the sum is 38.

The square root of 198382151 is about 14084.8198781525. The cubic root of 198382151 is about 583.2224034687. Note that the first 3 decimals are identical.

The spelling of 198382151 in words is "one hundred ninety-eight million, three hundred eighty-two thousand, one hundred fifty-one".

Divisors: 1 11 283 3113 63727 700997 18034741 198382151