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1422430240 = 255711263439
BaseRepresentation
bin101010011001000…
…1001000000100000
310200010112221110111
41110302021000200
510403120231430
6353051341104
750151312640
oct12462110040
93603487414
101422430240
1166aa19990
12338451794
131989030ca
14d6cb0520
1584d25c2a
hex54c89020

1422430240 has 192 divisors, whose sum is σ = 4215214080. Its totient is φ = 440663040.

The previous prime is 1422430199. The next prime is 1422430241. The reversal of 1422430240 is 420342241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1422430241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3239941 + ... + 3240379.

It is an arithmetic number, because the mean of its divisors is an integer number (21954240).

Almost surely, 21422430240 is an apocalyptic number.

1422430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107607040).

1422430240 is an abundant number, since it is smaller than the sum of its proper divisors (2792783840).

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

1422430240 is a wasteful number, since it uses less digits than its factorization.

1422430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 727 counting only the distinct ones).

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

The square root of 1422430240 is about 37715.1195145926. The cubic root of 1422430240 is about 1124.6317122051.

Adding to 1422430240 its reverse (420342241), we get a palindrome (1842772481).

The spelling of 1422430240 in words is "one billion, four hundred twenty-two million, four hundred thirty thousand, two hundred forty".