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1130427788 = 22740372421
BaseRepresentation
bin100001101100000…
…1111010110001100
32220210002200101212
41003120033112030
54303342142123
6304100553552
740004322560
oct10330172614
92823080355
101130427788
11530108146
122766b28b8
131502755a9
14aa1bd6a0
1569396878
hex4360f58c

1130427788 has 12 divisors (see below), whose sum is σ = 2260855632. Its totient is φ = 484469040.

The previous prime is 1130427763. The next prime is 1130427791. The reversal of 1130427788 is 8877240311.

1130427788 is an admirable number.

It is a super-3 number, since 3×11304277883 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20186183 + ... + 20186238.

It is an arithmetic number, because the mean of its divisors is an integer number (188404636).

Almost surely, 21130427788 is an apocalyptic number.

It is an amenable number.

1130427788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1130427788 is a wasteful number, since it uses less digits than its factorization.

1130427788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40372432 (or 40372430 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 1130427788 is about 33621.8349885904. The cubic root of 1130427788 is about 1041.7118589574.

The spelling of 1130427788 in words is "one billion, one hundred thirty million, four hundred twenty-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 40372421 80744842 161489684 282606947 565213894 1130427788