Search a number
-
+
1130783972 = 221613175261
BaseRepresentation
bin100001101100110…
…0110010011100100
32220210202202222212
41003121212103210
54303440041342
6304112342552
740010335163
oct10331462344
92823682885
101130783972
1153033080a
12276844a58
1315036b756
14aa2733da
1569417182
hex436664e4

1130783972 has 12 divisors (see below), whose sum is σ = 1980110076. Its totient is φ = 565038240.

The previous prime is 1130783971. The next prime is 1130783989. The reversal of 1130783972 is 2793870311.

It can be written as a sum of positive squares in 2 ways, for example, as 785344576 + 345439396 = 28024^2 + 18586^2 .

It is not an unprimeable number, because it can be changed into a prime (1130783971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81179 + ... + 94082.

It is an arithmetic number, because the mean of its divisors is an integer number (165009173).

Almost surely, 21130783972 is an apocalyptic number.

It is an amenable number.

1130783972 is a deficient number, since it is larger than the sum of its proper divisors (849326104).

1130783972 is a wasteful number, since it uses less digits than its factorization.

1130783972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176878 (or 176876 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1130783972 is about 33627.1314863460. The cubic root of 1130783972 is about 1041.8212576993.

The spelling of 1130783972 in words is "one billion, one hundred thirty million, seven hundred eighty-three thousand, nine hundred seventy-two".

Divisors: 1 2 4 1613 3226 6452 175261 350522 701044 282695993 565391986 1130783972