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198944952 = 23310182073
BaseRepresentation
bin10111101101110…
…10100010111000
3111212100110011120
423312322202320
5401412214302
631424025240
74634001303
oct1366724270
9455313146
10198944952
11a2332318
1256762220
13322a800b
141c5c9b3a
15126eb9bc
hexbdba8b8

198944952 has 32 divisors (see below), whose sum is σ = 502292880. Its totient is φ = 65657600.

The previous prime is 198944869. The next prime is 198944957. The reversal of 198944952 is 259449891.

It is a junction number, because it is equal to n+sod(n) for n = 198944895 and 198944904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198944957) 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, 38613 + ... + 43460.

Almost surely, 2198944952 is an apocalyptic number.

198944952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198944952 is an abundant number, since it is smaller than the sum of its proper divisors (303347928).

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

198944952 is a wasteful number, since it uses less digits than its factorization.

198944952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82183 (or 82179 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 198944952 is about 14104.7847200870. The cubic root of 198944952 is about 583.7734077462.

The spelling of 198944952 in words is "one hundred ninety-eight million, nine hundred forty-four thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 101 202 303 404 606 808 1212 2424 82073 164146 246219 328292 492438 656584 984876 1969752 8289373 16578746 24868119 33157492 49736238 66314984 99472476 198944952