Search a number
-
+
1252442 = 219231433
BaseRepresentation
bin100110001110001011010
32100122000202
410301301122
5310034232
642502202
713434302
oct4616132
92318022
101252442
11785a84
12504962
1334b0b9
14248602
1519b162
hex131c5a

1252442 has 16 divisors (see below), whose sum is σ = 2064960. Its totient is φ = 567072.

The previous prime is 1252439. The next prime is 1252451. The reversal of 1252442 is 2442521.

It is a happy number.

It is a super-2 number, since 2×12524422 = 3137221926728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (129060).

21252442 is an apocalyptic number.

1252442 is a deficient number, since it is larger than the sum of its proper divisors (812518).

1252442 is a wasteful number, since it uses less digits than its factorization.

1252442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its digits is 640, while the sum is 20.

The square root of 1252442 is about 1119.1255514910. The cubic root of 1252442 is about 107.7918372640.

Adding to 1252442 its reverse (2442521), we get a palindrome (3694963).

The spelling of 1252442 in words is "one million, two hundred fifty-two thousand, four hundred forty-two".

Divisors: 1 2 19 23 38 46 437 874 1433 2866 27227 32959 54454 65918 626221 1252442