Search a number
-
+
189698234 = 2112783877
BaseRepresentation
bin10110100111010…
…01000010111010
3111012221200001112
423103221002322
5342030320414
630453520322
74462260035
oct1323510272
9435850045
10189698234
1198097100
12536430a2
13303bb29b
141b2a001c
15119c1d3e
hexb4e90ba

189698234 has 12 divisors (see below), whose sum is σ = 312767322. Its totient is φ = 86226360.

The previous prime is 189698221. The next prime is 189698237. The reversal of 189698234 is 432896981.

It is a happy number.

189698234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 117397225 + 72301009 = 10835^2 + 8503^2 .

It is not an unprimeable number, because it can be changed into a prime (189698237) 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, 391697 + ... + 392180.

Almost surely, 2189698234 is an apocalyptic number.

189698234 is a deficient number, since it is larger than the sum of its proper divisors (123069088).

189698234 is a wasteful number, since it uses less digits than its factorization.

189698234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783901 (or 783890 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 189698234 is about 13773.0981990255. The cubic root of 189698234 is about 574.5851919425.

The spelling of 189698234 in words is "one hundred eighty-nine million, six hundred ninety-eight thousand, two hundred thirty-four".

Divisors: 1 2 11 22 121 242 783877 1567754 8622647 17245294 94849117 189698234