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683536801 = 2692541029
BaseRepresentation
bin101000101111011…
…111000110100001
31202122012021012211
4220233133012201
52344441134201
6151454322121
722636652443
oct5057370641
91678167184
10683536801
11320925352
12170ab9341
13ab7c6a5c
1466ad0493
154001e651
hex28bdf1a1

683536801 has 4 divisors (see below), whose sum is σ = 686078100. Its totient is φ = 680995504.

The previous prime is 683536783. The next prime is 683536807. The reversal of 683536801 is 108635386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108635386 = 254317693.

It can be written as a sum of positive squares in 2 ways, for example, as 196672576 + 486864225 = 14024^2 + 22065^2 .

It is a cyclic number.

It is not a de Polignac number, because 683536801 - 25 = 683536769 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683536807) 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, 1270246 + ... + 1270783.

It is an arithmetic number, because the mean of its divisors is an integer number (171519525).

Almost surely, 2683536801 is an apocalyptic number.

It is an amenable number.

683536801 is a deficient number, since it is larger than the sum of its proper divisors (2541299).

683536801 is a wasteful number, since it uses less digits than its factorization.

683536801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541298.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 683536801 is about 26144.5367333216. The cubic root of 683536801 is about 880.8878784065.

The spelling of 683536801 in words is "six hundred eighty-three million, five hundred thirty-six thousand, eight hundred one".

Divisors: 1 269 2541029 683536801