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1130800820 = 22588763743
BaseRepresentation
bin100001101100110…
…1010011010110100
32220210210122002212
41003121222122310
54303441111240
6304112552552
740010435252
oct10331523264
92823718085
101130800820
11530342436
12276852758
13150376316
14aa2795d2
156941c165
hex4366a6b4

1130800820 has 24 divisors (see below), whose sum is σ = 2377396224. Its totient is φ = 451803296.

The previous prime is 1130800807. The next prime is 1130800837. The reversal of 1130800820 is 280080311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14132 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (99058176).

Almost surely, 21130800820 is an apocalyptic number.

1130800820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130800820 is an abundant number, since it is smaller than the sum of its proper divisors (1246595404).

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

1130800820 is a wasteful number, since it uses less digits than its factorization.

1130800820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64639 (or 64637 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1130800820 is about 33627.3819974140. The cubic root of 1130800820 is about 1041.8264318433.

The spelling of 1130800820 in words is "one billion, one hundred thirty million, eight hundred thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 887 1774 3548 4435 8870 17740 63743 127486 254972 318715 637430 1274860 56540041 113080082 226160164 282700205 565400410 1130800820