Search a number
-
+
1345087712 = 25671036091
BaseRepresentation
bin101000000101100…
…0110100011100000
310110202000112110102
41100023012203200
510223320301322
6341245521532
745222025343
oct12013064340
93422015412
101345087712
116302a3341
123165732a8
131858934b7
14ca8da45a
157d149792
hex502c68e0

1345087712 has 48 divisors (see below), whose sum is σ = 2714205312. Its totient is φ = 655966080.

The previous prime is 1345087661. The next prime is 1345087717. The reversal of 1345087712 is 2177805431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345087717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217787 + ... + 223877.

It is an arithmetic number, because the mean of its divisors is an integer number (56545944).

Almost surely, 21345087712 is an apocalyptic number.

It is an amenable number.

1345087712 is an abundant number, since it is smaller than the sum of its proper divisors (1369117600).

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

1345087712 is a wasteful number, since it uses less digits than its factorization.

1345087712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1345087712 is about 36675.4374479705. The cubic root of 1345087712 is about 1103.8673000903.

The spelling of 1345087712 in words is "one billion, three hundred forty-five million, eighty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 67 103 134 206 268 412 536 824 1072 1648 2144 3296 6091 6901 12182 13802 24364 27604 48728 55208 97456 110416 194912 220832 408097 627373 816194 1254746 1632388 2509492 3264776 5018984 6529552 10037968 13059104 20075936 42033991 84067982 168135964 336271928 672543856 1345087712