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82768995 = 32510118211
BaseRepresentation
bin1001110111011…
…11010001100011
312202202002201100
410323233101203
5132142101440
612114005443
72023345011
oct473572143
9182662640
1082768995
11427a2631
1223876883
13141bc84a
14adc78b1
1573ee230
hex4eef463

82768995 has 24 divisors (see below), whose sum is σ = 144894672. Its totient is φ = 43704000.

The previous prime is 82768991. The next prime is 82769047. The reversal of 82768995 is 59986728.

It is a happy number.

It is not a de Polignac number, because 82768995 - 22 = 82768991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82768991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4561 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (6037278).

Almost surely, 282768995 is an apocalyptic number.

82768995 is a deficient number, since it is larger than the sum of its proper divisors (62125677).

82768995 is a wasteful number, since it uses less digits than its factorization.

82768995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18323 (or 18320 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 82768995 is about 9097.7466990459. The cubic root of 82768995 is about 435.8020083418.

It can be divided in two parts, 8276 and 8995, that added together give a palindrome (17271).

The spelling of 82768995 in words is "eighty-two million, seven hundred sixty-eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 101 303 505 909 1515 4545 18211 54633 91055 163899 273165 819495 1839311 5517933 9196555 16553799 27589665 82768995