Search a number
-
+
1427236 = 22509701
BaseRepresentation
bin101011100011100100100
32200111210121
411130130210
5331132421
650331324
715063016
oct5343444
92614717
101427236
11895338
12589b44
133ac825
142921b6
151d2d41
hex15c724

1427236 has 12 divisors (see below), whose sum is σ = 2506140. Its totient is φ = 711200.

The previous prime is 1427233. The next prime is 1427281. The reversal of 1427236 is 6327241.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 230400 = 1094^2 + 480^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427236.

It is not an unprimeable number, because it can be changed into a prime (1427233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (208845).

21427236 is an apocalyptic number.

It is an amenable number.

1427236 is a deficient number, since it is larger than the sum of its proper divisors (1078904).

1427236 is a wasteful number, since it uses less digits than its factorization.

1427236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1212 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 1427236 is about 1194.6698288649. The cubic root of 1427236 is about 112.5896832195.

The spelling of 1427236 in words is "one million, four hundred twenty-seven thousand, two hundred thirty-six".

Divisors: 1 2 4 509 701 1018 1402 2036 2804 356809 713618 1427236