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682081071 = 3732480051
BaseRepresentation
bin101000101001111…
…011101100101111
31202112110022022220
4220221323230233
52344103043241
6151403210423
722621410360
oct5051735457
91675408286
10682081071
11320020671
12170516a13
13ab407289
1466831b67
153ed33166
hex28a7bb2f

682081071 has 8 divisors (see below), whose sum is σ = 1039361664. Its totient is φ = 389760600.

The previous prime is 682081067. The next prime is 682081079. The reversal of 682081071 is 170180286.

It is a happy number.

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

It is not a de Polignac number, because 682081071 - 22 = 682081067 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682081079) 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, 16240005 + ... + 16240046.

It is an arithmetic number, because the mean of its divisors is an integer number (129920208).

Almost surely, 2682081071 is an apocalyptic number.

682081071 is a deficient number, since it is larger than the sum of its proper divisors (357280593).

682081071 is a wasteful number, since it uses less digits than its factorization.

682081071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32480061.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 682081071 is about 26116.6818527929. The cubic root of 682081071 is about 880.2620909246.

The spelling of 682081071 in words is "six hundred eighty-two million, eighty-one thousand, seventy-one".

Divisors: 1 3 7 21 32480051 97440153 227360357 682081071