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704863913 = 13519710433
BaseRepresentation
bin101010000000110…
…101111010101001
31211010022210111212
4222000311322221
52420421121123
6153535402505
723316146555
oct5200657251
91733283455
10704863913
11331971766
12178083435
13b3053250
1469882865
1541d33878
hex2a035ea9

704863913 has 8 divisors (see below), whose sum is σ = 759303048. Its totient is φ = 650456064.

The previous prime is 704863909. The next prime is 704863921. The reversal of 704863913 is 319368407.

It can be written as a sum of positive squares in 4 ways, for example, as 43191184 + 661672729 = 6572^2 + 25723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 704863913 - 22 = 704863909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704863963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62345 + ... + 72777.

It is an arithmetic number, because the mean of its divisors is an integer number (94912881).

Almost surely, 2704863913 is an apocalyptic number.

It is an amenable number.

704863913 is a deficient number, since it is larger than the sum of its proper divisors (54439135).

704863913 is a wasteful number, since it uses less digits than its factorization.

704863913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15643.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 704863913 is about 26549.2733045558. The cubic root of 704863913 is about 889.9557748508.

The spelling of 704863913 in words is "seven hundred four million, eight hundred sixty-three thousand, nine hundred thirteen".

Divisors: 1 13 5197 10433 67561 135629 54220301 704863913