Search a number
-
+
1130077440 = 28335191721
BaseRepresentation
bin100001101011011…
…1001110100000000
32220202102212211000
41003112321310000
54303244434230
6304045252000
740001333262
oct10326716400
92822385730
101130077440
1152a9989a8
12276564000
13150181c9b
14aa12bb32
1569327b60
hex435b9d00

1130077440 has 288 divisors, whose sum is σ = 4223721600. Its totient is φ = 285327360.

The previous prime is 1130077439. The next prime is 1130077463. The reversal of 1130077440 is 447700311.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655780 + ... + 657500.

It is an arithmetic number, because the mean of its divisors is an integer number (14665700).

Almost surely, 21130077440 is an apocalyptic number.

1130077440 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 1130077440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111860800).

1130077440 is an abundant number, since it is smaller than the sum of its proper divisors (3093644160).

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

1130077440 is a wasteful number, since it uses less digits than its factorization.

1130077440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1130077440 is about 33616.6244587406. The cubic root of 1130077440 is about 1041.6042302701.

Adding to 1130077440 its reverse (447700311), we get a palindrome (1577777751).

The spelling of 1130077440 in words is "one billion, one hundred thirty million, seventy-seven thousand, four hundred forty".