Search a number
-
+
1209234 = 231337419
BaseRepresentation
bin100100111001110010010
32021102202110
410213032102
5302143414
641530150
713164315
oct4471622
92242673
101209234
11756574
124a3956
13334530
1423697c
1518d459
hex127392

1209234 has 32 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 361152.

The previous prime is 1209233. The next prime is 1209239. The reversal of 1209234 is 4329021.

It is a self number, because there is not a number n which added to its sum of digits gives 1209234.

It is not an unprimeable number, because it can be changed into a prime (1209233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2677 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

21209234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1209234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340640).

1209234 is an abundant number, since it is smaller than the sum of its proper divisors (1472046).

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

1209234 is a wasteful number, since it uses less digits than its factorization.

1209234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1209234 is about 1099.6517630596. The cubic root of 1209234 is about 106.5377326679.

The spelling of 1209234 in words is "one million, two hundred nine thousand, two hundred thirty-four".

Divisors: 1 2 3 6 13 26 37 39 74 78 111 222 419 481 838 962 1257 1443 2514 2886 5447 10894 15503 16341 31006 32682 46509 93018 201539 403078 604617 1209234