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82317051 = 32291392269
BaseRepresentation
bin1001110100000…
…00111011111011
312201220010202200
410322000323323
5132033121201
612100201243
72016453255
oct472007373
9181803680
1082317051
1142514023
1223699223
1314091c1b
14ad0acd5
157360386
hex4e80efb

82317051 has 24 divisors (see below), whose sum is σ = 123942000. Its totient is φ = 52581312.

The previous prime is 82317047. The next prime is 82317061. The reversal of 82317051 is 15071328.

It is not a de Polignac number, because 82317051 - 22 = 82317047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82317061) 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, 35145 + ... + 37413.

It is an arithmetic number, because the mean of its divisors is an integer number (5164250).

Almost surely, 282317051 is an apocalyptic number.

82317051 is a deficient number, since it is larger than the sum of its proper divisors (41624949).

82317051 is a wasteful number, since it uses less digits than its factorization.

82317051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 82317051 is about 9072.8744618230. The cubic root of 82317051 is about 435.0073561974.

Adding to 82317051 its reverse (15071328), we get a palindrome (97388379).

The spelling of 82317051 in words is "eighty-two million, three hundred seventeen thousand, fifty-one".

Divisors: 1 3 9 29 87 139 261 417 1251 2269 4031 6807 12093 20421 36279 65801 197403 315391 592209 946173 2838519 9146339 27439017 82317051