Search a number
-
+
1423044430 = 25563252761
BaseRepresentation
bin101010011010001…
…1110111101001110
310200011201010222021
41110310132331032
510403244410210
6353112440354
750156451403
oct12464367516
93604633867
101423044430
116702a9385
123386a90ba
13198a89832
14d6dd02aa
1584de7bda
hex54d1ef4e

1423044430 has 16 divisors (see below), whose sum is σ = 2566039824. Its totient is φ = 568204480.

The previous prime is 1423044421. The next prime is 1423044433. The reversal of 1423044430 is 344403241.

It is a junction number, because it is equal to n+sod(n) for n = 1423044395 and 1423044404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423044433) 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, 120751 + ... + 132010.

It is an arithmetic number, because the mean of its divisors is an integer number (160377489).

Almost surely, 21423044430 is an apocalyptic number.

1423044430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423044430 is a deficient number, since it is larger than the sum of its proper divisors (1142995394).

1423044430 is a wasteful number, since it uses less digits than its factorization.

1423044430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253331.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1423044430 is about 37723.2611262600. The cubic root of 1423044430 is about 1124.7935568515.

Adding to 1423044430 its reverse (344403241), we get a palindrome (1767447671).

The spelling of 1423044430 in words is "one billion, four hundred twenty-three million, forty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 563 1126 2815 5630 252761 505522 1263805 2527610 142304443 284608886 711522215 1423044430