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1404321442 = 2231511811117
BaseRepresentation
bin101001110110100…
…0011111010100010
310121212110220212021
41103231003322202
510334001241232
6351203252054
746541351416
oct12355037242
93555426767
101404321442
11660780537
1233237a02a
13194c32744
14d4718d46
158344a397
hex53b43ea2

1404321442 has 32 divisors (see below), whose sum is σ = 2226841344. Its totient is φ = 662904000.

The previous prime is 1404321439. The next prime is 1404321449. The reversal of 1404321442 is 2441234041.

It is not an unprimeable number, because it can be changed into a prime (1404321449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256668 + ... + 1257784.

It is an arithmetic number, because the mean of its divisors is an integer number (69588792).

Almost surely, 21404321442 is an apocalyptic number.

1404321442 is a deficient number, since it is larger than the sum of its proper divisors (822519902).

1404321442 is a wasteful number, since it uses less digits than its factorization.

1404321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1404321442 is about 37474.2770710790. The cubic root of 1404321442 is about 1119.8387953572.

Adding to 1404321442 its reverse (2441234041), we get a palindrome (3845555483).

The spelling of 1404321442 in words is "one billion, four hundred four million, three hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 23 46 151 181 302 362 1117 2234 3473 4163 6946 8326 25691 27331 51382 54662 168667 202177 337334 404354 628613 1257226 3879341 4650071 7758682 9300142 30528727 61057454 702160721 1404321442