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713805440 = 2751115321
BaseRepresentation
bin101010100010111…
…100111010000000
31211202011001222112
4222202330322000
52430213233230
6154455154452
723455150265
oct5242747200
91752131875
10713805440
11336a19657
1217b075a28
13b4b640aa
146ab2d26c
15429ecd95
hex2a8bce80

713805440 has 32 divisors (see below), whose sum is σ = 1706442660. Its totient is φ = 285521920.

The previous prime is 713805413. The next prime is 713805451. The reversal of 713805440 is 44508317.

It can be written as a sum of positive squares in 2 ways, for example, as 702462016 + 11343424 = 26504^2 + 3368^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 713805397 and 713805406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557021 + ... + 558300.

Almost surely, 2713805440 is an apocalyptic number.

It is an amenable number.

713805440 is an abundant number, since it is smaller than the sum of its proper divisors (992637220).

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

713805440 is a wasteful number, since it uses less digits than its factorization.

713805440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115340 (or 1115328 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 713805440 is about 26717.1375712294. The cubic root of 713805440 is about 893.7031413645.

The spelling of 713805440 in words is "seven hundred thirteen million, eight hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1115321 2230642 4461284 5576605 8922568 11153210 17845136 22306420 35690272 44612840 71380544 89225680 142761088 178451360 356902720 713805440