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814538007 = 32142363601
BaseRepresentation
bin110000100011001…
…101110100010111
32002202200211002100
4300203031310113
53132010204012
6212454213143
726120313243
oct6043156427
92082624070
10814538007
11388870508
121a89541b3
13cc9a316a
147a271423
154b7998dc
hex308cdd17

814538007 has 12 divisors (see below), whose sum is σ = 1177400224. Its totient is φ = 542635200.

The previous prime is 814537987. The next prime is 814538029. The reversal of 814538007 is 700835418.

814538007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 814538007 - 28 = 814537751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814538107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18994 + ... + 44607.

Almost surely, 2814538007 is an apocalyptic number.

814538007 is a deficient number, since it is larger than the sum of its proper divisors (362862217).

814538007 is a wasteful number, since it uses less digits than its factorization.

814538007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65030 (or 65027 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 814538007 is about 28540.1122457498. The cubic root of 814538007 is about 933.9073310050.

The spelling of 814538007 in words is "eight hundred fourteen million, five hundred thirty-eight thousand, seven".

Divisors: 1 3 9 1423 4269 12807 63601 190803 572409 90504223 271512669 814538007