Search a number
-
+
1226838 = 23732801
BaseRepresentation
bin100101011100001010110
32022022220110
410223201112
5303224323
642143450
713266534
oct4534126
92268813
101226838
11768818
124b1b86
1333c552
1423d154
15193793
hex12b856

1226838 has 16 divisors (see below), whose sum is σ = 2488176. Its totient is φ = 403200.

The previous prime is 1226831. The next prime is 1226851. The reversal of 1226838 is 8386221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 1838.

It is an arithmetic number, because the mean of its divisors is an integer number (155511).

21226838 is an apocalyptic number.

1226838 is an abundant number, since it is smaller than the sum of its proper divisors (1261338).

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

1226838 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1226838 = (2268813)9.

1226838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879.

The product of its digits is 4608, while the sum is 30.

The square root of 1226838 is about 1107.6271935990. The cubic root of 1226838 is about 107.0522352462.

The spelling of 1226838 in words is "one million, two hundred twenty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 73 146 219 438 2801 5602 8403 16806 204473 408946 613419 1226838