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82708000 = 2553232931
BaseRepresentation
bin1001110111000…
…00011000100000
312202122000001021
410323200120200
5132133124000
612112415224
72023002124
oct473403040
9182560037
1082708000
1142760821
1223847514
131419ab5b
14adad584
1573db11a
hex4ee0620

82708000 has 192 divisors, whose sum is σ = 226437120. Its totient is φ = 29568000.

The previous prime is 82707979. The next prime is 82708019. The reversal of 82708000 is 80728.

It is a super-2 number, since 2×827080002 = 13681226528000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2667985 + ... + 2668015.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 282708000 is an apocalyptic number.

82708000 is a gapful number since it is divisible by the number (80) 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 82708000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

82708000 is an abundant number, since it is smaller than the sum of its proper divisors (143729120).

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

82708000 is a wasteful number, since it uses less digits than its factorization.

82708000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 82708000 is about 9094.3938775490. The cubic root of 82708000 is about 435.6949300983.

Adding to 82708000 its reverse (80728), we get a palindrome (82788728).

The spelling of 82708000 in words is "eighty-two million, seven hundred eight thousand".