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82607071 = 463178417
BaseRepresentation
bin1001110110001…
…11101111011111
312202102212121011
410323013233133
5132121411241
612110320051
72022101641
oct473075737
9182385534
1082607071
11426a1a08
12237b9027
1314163c31
14ad84891
1573bb281
hex4ec7bdf

82607071 has 4 divisors (see below), whose sum is σ = 82785952. Its totient is φ = 82428192.

The previous prime is 82607039. The next prime is 82607081. The reversal of 82607071 is 17070628.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82607071 - 25 = 82607039 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 (82607081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88746 + ... + 89671.

It is an arithmetic number, because the mean of its divisors is an integer number (20696488).

Almost surely, 282607071 is an apocalyptic number.

82607071 is a deficient number, since it is larger than the sum of its proper divisors (178881).

82607071 is a wasteful number, since it uses less digits than its factorization.

82607071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178880.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 82607071 is about 9088.8432157233. The cubic root of 82607071 is about 435.5176310339.

Adding to 82607071 its reverse (17070628), we get a palindrome (99677699).

The spelling of 82607071 in words is "eighty-two million, six hundred seven thousand, seventy-one".

Divisors: 1 463 178417 82607071