Search a number
-
+
1426408568 = 231313715467
BaseRepresentation
bin101010100000101…
…0100010001111000
310200102001001200222
41111001110101320
510410130033233
6353312515212
750230162364
oct12501242170
93612031628
101426408568
11672196962
1233984bb08
13199696b50
14d76282a4
158535e898
hex55054478

1426408568 has 16 divisors (see below), whose sum is σ = 2880248280. Its totient is φ = 658342368.

The previous prime is 1426408561. The next prime is 1426408591. The reversal of 1426408568 is 8658046241.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426408561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6857630 + ... + 6857837.

Almost surely, 21426408568 is an apocalyptic number.

It is an amenable number.

1426408568 is an abundant number, since it is smaller than the sum of its proper divisors (1453839712).

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

1426408568 is a wasteful number, since it uses less digits than its factorization.

1426408568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13715486 (or 13715482 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 1426408568 is about 37767.8245071119. The cubic root of 1426408568 is about 1125.6792126942.

The spelling of 1426408568 in words is "one billion, four hundred twenty-six million, four hundred eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 13715467 27430934 54861868 109723736 178301071 356602142 713204284 1426408568