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82068052 = 221112891447
BaseRepresentation
bin1001110010001…
…00001001010100
312201102111012111
410321010021110
5132002134202
612051000404
72014365313
oct471041124
9181374174
1082068052
1142363a40
1223599104
13140057a1
14ac8427a
1573116d7
hex4e44254

82068052 has 24 divisors (see below), whose sum is σ = 156905280. Its totient is φ = 37248960.

The previous prime is 82068023. The next prime is 82068053. The reversal of 82068052 is 25086028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82068053) 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, 55993 + ... + 57439.

It is an arithmetic number, because the mean of its divisors is an integer number (6537720).

Almost surely, 282068052 is an apocalyptic number.

It is an amenable number.

82068052 is a deficient number, since it is larger than the sum of its proper divisors (74837228).

82068052 is a wasteful number, since it uses less digits than its factorization.

82068052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 82068052 is about 9059.1419019684. The cubic root of 82068052 is about 434.5682985381.

The spelling of 82068052 in words is "eighty-two million, sixty-eight thousand, fifty-two".

Divisors: 1 2 4 11 22 44 1289 1447 2578 2894 5156 5788 14179 15917 28358 31834 56716 63668 1865183 3730366 7460732 20517013 41034026 82068052