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82707894 = 2324594883
BaseRepresentation
bin1001110111000…
…00010110110110
312202121222220100
410323200112312
5132133123034
612112414530
72023001613
oct473402666
9182558810
1082707894
1142760735
1223847446
131419aaa9
14adad50a
1573db099
hex4ee05b6

82707894 has 12 divisors (see below), whose sum is σ = 179200476. Its totient is φ = 27569292.

The previous prime is 82707883. The next prime is 82707899. The reversal of 82707894 is 49870728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82707899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2297424 + ... + 2297459.

It is an arithmetic number, because the mean of its divisors is an integer number (14933373).

Almost surely, 282707894 is an apocalyptic number.

82707894 is an abundant number, since it is smaller than the sum of its proper divisors (96492582).

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

82707894 is a wasteful number, since it uses less digits than its factorization.

82707894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594891 (or 4594888 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 82707894 is about 9094.3880497810. The cubic root of 82707894 is about 435.6947439669.

The spelling of 82707894 in words is "eighty-two million, seven hundred seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 4594883 9189766 13784649 27569298 41353947 82707894