Search a number
-
+
1404304420 = 225302323227
BaseRepresentation
bin101001110110011…
…1111110000100100
310121212110001111211
41103230333300210
510334000220140
6351203041204
746541250661
oct12354776044
93555401454
101404304420
11660769772
12332370204
13194c27a7c
14d4712a68
15834452ea
hex53b3fc24

1404304420 has 24 divisors (see below), whose sum is σ = 2950141824. Its totient is φ = 561511776.

The previous prime is 1404304409. The next prime is 1404304423. The reversal of 1404304420 is 244034041.

It is a junction number, because it is equal to n+sod(n) for n = 1404304391 and 1404304400.

It is not an unprimeable number, because it can be changed into a prime (1404304423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48847 + ... + 72073.

It is an arithmetic number, because the mean of its divisors is an integer number (122922576).

Almost surely, 21404304420 is an apocalyptic number.

1404304420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404304420 is an abundant number, since it is smaller than the sum of its proper divisors (1545837404).

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

1404304420 is a wasteful number, since it uses less digits than its factorization.

1404304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26259 (or 26257 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1404304420 is about 37474.0499546019. The cubic root of 1404304420 is about 1119.8342707584.

Adding to 1404304420 its reverse (244034041), we get a palindrome (1648338461).

The spelling of 1404304420 in words is "one billion, four hundred four million, three hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3023 6046 12092 15115 23227 30230 46454 60460 92908 116135 232270 464540 70215221 140430442 280860884 351076105 702152210 1404304420