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1130990784 = 263711113677
BaseRepresentation
bin100001101101001…
…1000110011000000
32220211011021200120
41003122120303000
54304013201114
6304121020240
740012156140
oct10332306300
92824137616
101130990784
11530462130
12276924680
13150411921
14aa2c8920
15694585a9
hex43698cc0

1130990784 has 224 divisors, whose sum is σ = 3769376256. Its totient is φ = 290734080.

The previous prime is 1130990771. The next prime is 1130990801. The reversal of 1130990784 is 4870990311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670254 + ... + 1670930.

Almost surely, 21130990784 is an apocalyptic number.

1130990784 is a gapful number since it is divisible by the number (14) 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 1130990784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1884688128).

1130990784 is an abundant number, since it is smaller than the sum of its proper divisors (2638385472).

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

1130990784 is a wasteful number, since it uses less digits than its factorization.

1130990784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1130990784 is about 33630.2064222032. The cubic root of 1130990784 is about 1041.8847676208.

The spelling of 1130990784 in words is "one billion, one hundred thirty million, nine hundred ninety thousand, seven hundred eighty-four".