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198110234 = 2722021533
BaseRepresentation
bin10111100111011…
…10110000011010
3111210210001011002
423303232300122
5401204011414
631354105002
74623623600
oct1363566032
9453701132
10198110234
11a1912173
125641b162
13320750ba
141c44d870
15125d44de
hexbceec1a

198110234 has 12 divisors (see below), whose sum is σ = 345682314. Its totient is φ = 84904344.

The previous prime is 198110233. The next prime is 198110261. The reversal of 198110234 is 432011891.

It can be written as a sum of positive squares in only one way, i.e., 120934009 + 77176225 = 10997^2 + 8785^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198110197 and 198110206.

It is not an unprimeable number, because it can be changed into a prime (198110233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1010669 + ... + 1010864.

Almost surely, 2198110234 is an apocalyptic number.

198110234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198110234 is a deficient number, since it is larger than the sum of its proper divisors (147572080).

198110234 is a wasteful number, since it uses less digits than its factorization.

198110234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021549 (or 2021542 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 198110234 is about 14075.1637290655. The cubic root of 198110234 is about 582.9558126184.

The spelling of 198110234 in words is "one hundred ninety-eight million, one hundred ten thousand, two hundred thirty-four".

Divisors: 1 2 7 14 49 98 2021533 4043066 14150731 28301462 99055117 198110234