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198285052 = 2273127369
BaseRepresentation
bin10111101000110…
…01011011111100
3111211002220221211
423310121123330
5401230110202
631401534204
74625252350
oct1364313374
9454086854
10198285052
11a1a21549
12564a4364
1332106844
141c497460
151261b1d7
hexbd196fc

198285052 has 36 divisors (see below), whose sum is σ = 409830960. Its totient is φ = 82226880.

The previous prime is 198285019. The next prime is 198285067. The reversal of 198285052 is 250582891.

It is a junction number, because it is equal to n+sod(n) for n = 198284996 and 198285014.

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 11 ways as a sum of consecutive naturals, for example, 23224 + ... + 30592.

Almost surely, 2198285052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198285052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204915480).

198285052 is an abundant number, since it is smaller than the sum of its proper divisors (211545908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198285052 is a wasteful number, since it uses less digits than its factorization.

198285052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442 (or 7409 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 198285052 is about 14081.3725183307. The cubic root of 198285052 is about 583.1272343658.

The spelling of 198285052 in words is "one hundred ninety-eight million, two hundred eighty-five thousand, fifty-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 961 1922 3844 6727 7369 13454 14738 26908 29476 51583 103166 206332 228439 456878 913756 1599073 3198146 6396292 7081609 14163218 28326436 49571263 99142526 198285052