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198552455 = 5106337357
BaseRepresentation
bin10111101010110…
…10101110000111
3111211121111202122
423311122232013
5401312134310
631411400155
74630445063
oct1365325607
9454544678
10198552455
11a2094442
12565b305b
133219b47a
141c526aa3
1512670555
hexbd5ab87

198552455 has 8 divisors (see below), whose sum is σ = 238493472. Its totient is φ = 158688288.

The previous prime is 198552407. The next prime is 198552461. The reversal of 198552455 is 554255891.

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 198552455 - 212 = 198548359 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 13364 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (29811684).

Almost surely, 2198552455 is an apocalyptic number.

198552455 is a deficient number, since it is larger than the sum of its proper divisors (39941017).

198552455 is a wasteful number, since it uses less digits than its factorization.

198552455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38425.

The product of its digits is 360000, while the sum is 44.

The square root of 198552455 is about 14090.8642389315. The cubic root of 198552455 is about 583.3892476108.

The spelling of 198552455 in words is "one hundred ninety-eight million, five hundred fifty-two thousand, four hundred fifty-five".

Divisors: 1 5 1063 5315 37357 186785 39710491 198552455