Search a number
-
+
1115147088 = 2434111923179
BaseRepresentation
bin100001001110111…
…1100101101010000
32212201100100020000
41002131330231100
54240434201323
6302353250000
736430410456
oct10235745520
92781310200
101115147088
11522520570
12271563900
1314a055263
14a81629d6
1567d78e43
hex4277cb50

1115147088 has 400 divisors, whose sum is σ = 3889036800. Its totient is φ = 304508160.

The previous prime is 1115147071. The next prime is 1115147093. The reversal of 1115147088 is 8807415111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6229783 + ... + 6229961.

It is an arithmetic number, because the mean of its divisors is an integer number (9722592).

Almost surely, 21115147088 is an apocalyptic number.

1115147088 is a gapful number since it is divisible by the number (18) 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 1115147088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944518400).

1115147088 is an abundant number, since it is smaller than the sum of its proper divisors (2773889712).

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

1115147088 is a wasteful number, since it uses less digits than its factorization.

1115147088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The square root of 1115147088 is about 33393.8181105426. The cubic root of 1115147088 is about 1036.9967251448.

The spelling of 1115147088 in words is "one billion, one hundred fifteen million, one hundred forty-seven thousand, eighty-eight".