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198134233 = 1127123063
BaseRepresentation
bin10111100111101…
…00100111011001
3111210211021001221
423303310213121
5401210243413
631354412041
74624053553
oct1363644731
9453737057
10198134233
11a1929200
1256431021
1332082cbb
141c4584d3
15125db68d
hexbcf49d9

198134233 has 12 divisors (see below), whose sum is σ = 220860864. Its totient is φ = 177577400.

The previous prime is 198134231. The next prime is 198134249. The reversal of 198134233 is 332431891.

It is not a de Polignac number, because 198134233 - 21 = 198134231 is a prime.

It is a super-3 number, since 3×1981342333 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198134231) by changing a digit.

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, 2941 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (18405072).

Almost surely, 2198134233 is an apocalyptic number.

It is an amenable number.

198134233 is a deficient number, since it is larger than the sum of its proper divisors (22726631).

198134233 is a wasteful number, since it uses less digits than its factorization.

198134233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23156 (or 23145 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 198134233 is about 14076.0162332956. The cubic root of 198134233 is about 582.9793513513.

It can be divided in two parts, 198 and 134233, that added together give a palindrome (134431).

The spelling of 198134233 in words is "one hundred ninety-eight million, one hundred thirty-four thousand, two hundred thirty-three".

Divisors: 1 11 71 121 781 8591 23063 253693 1637473 2790623 18012203 198134233