Search a number
-
+
189414441 = 32432631861
BaseRepresentation
bin10110100101000…
…11110000101001
3111012102020202200
423102203300221
5341442230231
630443450413
74456665456
oct1322436051
9435366680
10189414441
1197a12967
1253526a09
133031c068
141b22882d
1511967be6
hexb4a3c29

189414441 has 24 divisors (see below), whose sum is σ = 281176896. Its totient is φ = 122804640.

The previous prime is 189414437. The next prime is 189414443. The reversal of 189414441 is 144414981.

It is not a de Polignac number, because 189414441 - 22 = 189414437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189414396 and 189414405.

It is not an unprimeable number, because it can be changed into a prime (189414443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100851 + ... + 102711.

It is an arithmetic number, because the mean of its divisors is an integer number (11715704).

Almost surely, 2189414441 is an apocalyptic number.

It is an amenable number.

189414441 is a deficient number, since it is larger than the sum of its proper divisors (91762455).

189414441 is a wasteful number, since it uses less digits than its factorization.

189414441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173 (or 2170 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 189414441 is about 13762.7919042613. The cubic root of 189414441 is about 574.2985179708.

The spelling of 189414441 in words is "one hundred eighty-nine million, four hundred fourteen thousand, four hundred forty-one".

Divisors: 1 3 9 43 129 263 387 789 1861 2367 5583 11309 16749 33927 80023 101781 240069 489443 720207 1468329 4404987 21046049 63138147 189414441