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780325864 = 23498719559
BaseRepresentation
bin101110100000101…
…101001111101000
32000101022122211221
4232200231033220
53044230411424
6205233031424
725223442343
oct5640551750
92011278757
10780325864
1137052340a
121993b5574
13c5884ba6
14758c745a
154878c9e4
hex2e82d3e8

780325864 has 16 divisors (see below), whose sum is σ = 1463479200. Its totient is φ = 390064752.

The previous prime is 780325829. The next prime is 780325867. The reversal of 780325864 is 468523087.

780325864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 780325864.

It is not an unprimeable number, because it can be changed into a prime (780325867) 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, 30117 + ... + 49675.

It is an arithmetic number, because the mean of its divisors is an integer number (91467450).

Almost surely, 2780325864 is an apocalyptic number.

It is an amenable number.

780325864 is a deficient number, since it is larger than the sum of its proper divisors (683153336).

780325864 is a wasteful number, since it uses less digits than its factorization.

780325864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552 (or 24548 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 780325864 is about 27934.3133797844. The cubic root of 780325864 is about 920.6445797884.

The spelling of 780325864 in words is "seven hundred eighty million, three hundred twenty-five thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 4987 9974 19559 19948 39118 39896 78236 156472 97540733 195081466 390162932 780325864