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198966152 = 23711322997
BaseRepresentation
bin10111101101111…
…11101110001000
3111212101112020202
423312333232020
5401413404102
631424311332
74634120150
oct1366775610
9455345222
10198966152
11a2347240
1256772548
13322b4868
141c5d3760
1512702e02
hexbdbfb88

198966152 has 32 divisors (see below), whose sum is σ = 465117120. Its totient is φ = 77519040.

The previous prime is 198966151. The next prime is 198966167. The reversal of 198966152 is 251669891.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 198966097 and 198966106.

It is not an unprimeable number, because it can be changed into a prime (198966151) 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, 160883 + ... + 162114.

It is an arithmetic number, because the mean of its divisors is an integer number (14534910).

Almost surely, 2198966152 is an apocalyptic number.

It is an amenable number.

198966152 is an abundant number, since it is smaller than the sum of its proper divisors (266150968).

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

198966152 is a wasteful number, since it uses less digits than its factorization.

198966152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323021 (or 323017 counting only the distinct ones).

The product of its digits is 233280, while the sum is 47.

The square root of 198966152 is about 14105.5362180954. The cubic root of 198966152 is about 583.7941430577.

The spelling of 198966152 in words is "one hundred ninety-eight million, nine hundred sixty-six thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 322997 645994 1291988 2260979 2583976 3552967 4521958 7105934 9043916 14211868 18087832 24870769 28423736 49741538 99483076 198966152