Search a number
-
+
1042440344 = 231112319623
BaseRepresentation
bin111110001000100…
…110000010011000
32200122112110022122
4332020212002120
54113331042334
6251235040412
734555411451
oct7610460230
92618473278
101042440344
11495480950
12251140108
13137c7970a
149c638128
15617b632e
hex3e226098

1042440344 has 32 divisors (see below), whose sum is σ = 2134218240. Its totient is φ = 473402400.

The previous prime is 1042440283. The next prime is 1042440349. The reversal of 1042440344 is 4430442401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042440349) 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, 103517 + ... + 113139.

It is an arithmetic number, because the mean of its divisors is an integer number (66694320).

Almost surely, 21042440344 is an apocalyptic number.

It is an amenable number.

1042440344 is an abundant number, since it is smaller than the sum of its proper divisors (1091777896).

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

1042440344 is a wasteful number, since it uses less digits than its factorization.

1042440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871 (or 10867 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1042440344 is about 32286.8447513844. The cubic root of 1042440344 is about 1013.9512391176.

Adding to 1042440344 its reverse (4430442401), we get a palindrome (5472882745).

The spelling of 1042440344 in words is "one billion, forty-two million, four hundred forty thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 1231 2462 4924 9623 9848 13541 19246 27082 38492 54164 76984 105853 108328 211706 423412 846824 11845913 23691826 47383652 94767304 130305043 260610086 521220172 1042440344