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682180501 is a prime number
BaseRepresentation
bin101000101010010…
…011111110010101
31202112122100201111
4220222103332111
52344114234001
6151405255021
722622303302
oct5052237625
91675570644
10682180501
11320089342
12170564471
13ab440602
146685a0a9
153ed52851
hex28a93f95

682180501 has 2 divisors, whose sum is σ = 682180502. Its totient is φ = 682180500.

The previous prime is 682180489. The next prime is 682180511. The reversal of 682180501 is 105081286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355511025 + 326669476 = 18855^2 + 18074^2 .

It is a cyclic number.

It is not a de Polignac number, because 682180501 - 25 = 682180469 is a prime.

It is a super-2 number, since 2×6821805012 = 930740471889222002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682180511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341090250 + 341090251.

It is an arithmetic number, because the mean of its divisors is an integer number (341090251).

Almost surely, 2682180501 is an apocalyptic number.

It is an amenable number.

682180501 is a deficient number, since it is larger than the sum of its proper divisors (1).

682180501 is an equidigital number, since it uses as much as digits as its factorization.

682180501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 682180501 is about 26118.5853560257. The cubic root of 682180501 is about 880.3048620901.

The spelling of 682180501 in words is "six hundred eighty-two million, one hundred eighty thousand, five hundred one".