Search a number
-
+
1112091456 = 26372432749
BaseRepresentation
bin100001001001001…
…0010101101000000
32212111121002200110
41002102102231000
54234143411311
6302203551320
736362423100
oct10222225500
92774532613
101112091456
11520823853
1227052b540
131495254a8
14a79a9200
15679738a6
hex42492b40

1112091456 has 168 divisors, whose sum is σ = 3503676000. Its totient is φ = 310238208.

The previous prime is 1112091433. The next prime is 1112091479. The reversal of 1112091456 is 6541902111.

It is an interprime number because it is at equal distance from previous prime (1112091433) and next prime (1112091479).

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403170 + ... + 405918.

Almost surely, 21112091456 is an apocalyptic number.

1112091456 is a gapful number since it is divisible by the number (16) 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 1112091456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751838000).

1112091456 is an abundant number, since it is smaller than the sum of its proper divisors (2391584544).

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

1112091456 is a wasteful number, since it uses less digits than its factorization.

1112091456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1112091456 is about 33348.0352644650. The cubic root of 1112091456 is about 1036.0486950571.

Adding to 1112091456 its reverse (6541902111), we get a palindrome (7653993567).

The spelling of 1112091456 in words is "one billion, one hundred twelve million, ninety-one thousand, four hundred fifty-six".