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683262385 = 51317618337
BaseRepresentation
bin101000101110011…
…100000110110001
31202121200022210021
4220232130012301
52344403344020
6151444403441
722634430421
oct5056340661
91677608707
10683262385
11320758163
121709a6581
13ab72bb90
1466a5c481
153eeb81aa
hex28b9c1b1

683262385 has 16 divisors (see below), whose sum is σ = 934927056. Its totient is φ = 474882048.

The previous prime is 683262373. The next prime is 683262427. The reversal of 683262385 is 583262386.

It can be written as a sum of positive squares in 8 ways, for example, as 70006689 + 613255696 = 8367^2 + 24764^2 .

It is a cyclic number.

It is not a de Polignac number, because 683262385 - 27 = 683262257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308064 + ... + 310273.

It is an arithmetic number, because the mean of its divisors is an integer number (58432941).

Almost surely, 2683262385 is an apocalyptic number.

683262385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

683262385 is a deficient number, since it is larger than the sum of its proper divisors (251664671).

683262385 is a wasteful number, since it uses less digits than its factorization.

683262385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618372.

The product of its digits is 414720, while the sum is 43.

The square root of 683262385 is about 26139.2881502156. The cubic root of 683262385 is about 880.7699807875.

Subtracting from 683262385 its reverse (583262386), we obtain a palindrome (99999999).

The spelling of 683262385 in words is "six hundred eighty-three million, two hundred sixty-two thousand, three hundred eighty-five".

Divisors: 1 5 13 17 65 85 221 1105 618337 3091685 8038381 10511729 40191905 52558645 136652477 683262385