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82756608 = 2103113179
BaseRepresentation
bin1001110111011…
…00010000000000
312202201110201120
410323230100000
5132141202413
612113432240
72023263624
oct473542000
9182643646
1082756608
11427942a0
122386b680
13141b700c
14adc3184
1573ea723
hex4eec400

82756608 has 176 divisors, whose sum is σ = 251535360. Its totient is φ = 23961600.

The previous prime is 82756589. The next prime is 82756621. The reversal of 82756608 is 80665728.

It is a tau number, because it is divible by the number of its divisors (176).

It is a self number, because there is not a number n which added to its sum of digits gives 82756608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047513 + ... + 1047591.

Almost surely, 282756608 is an apocalyptic number.

82756608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82756608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125767680).

82756608 is an abundant number, since it is smaller than the sum of its proper divisors (168778752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82756608 is a wasteful number, since it uses less digits than its factorization.

82756608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 82756608 is about 9097.0659006077. The cubic root of 82756608 is about 435.7802669124.

The spelling of 82756608 in words is "eighty-two million, seven hundred fifty-six thousand, six hundred eight".