Search a number
-
+
1442238 = 237231493
BaseRepresentation
bin101100000000110111110
32201021101020
411200012332
5332122423
650525010
715154530
oct5400676
92637336
101442238
118a5636
12596766
133b65c5
14297850
151d74e3
hex1601be

1442238 has 32 divisors (see below), whose sum is σ = 3442176. Its totient is φ = 393888.

The previous prime is 1442227. The next prime is 1442251. The reversal of 1442238 is 8322441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (107568).

21442238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721088).

1442238 is an abundant number, since it is smaller than the sum of its proper divisors (1999938).

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

1442238 is a wasteful number, since it uses less digits than its factorization.

1442238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528.

The product of its digits is 1536, while the sum is 24.

The square root of 1442238 is about 1200.9321379662. The cubic root of 1442238 is about 112.9827942582.

Adding to 1442238 its reverse (8322441), we get a palindrome (9764679).

The spelling of 1442238 in words is "one million, four hundred forty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 1493 2986 4479 8958 10451 20902 31353 34339 62706 68678 103017 206034 240373 480746 721119 1442238