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82422928 = 247735919
BaseRepresentation
bin1001110100110…
…10110010010000
312202002112000001
410322122302100
5132100013203
612102335344
72020404040
oct472326220
9182075001
1082422928
1142586625
122372a554
13140cb183
14ad37720
15738191d
hex4e9ac90

82422928 has 20 divisors (see below), whose sum is σ = 182508160. Its totient is φ = 35324064.

The previous prime is 82422911. The next prime is 82422947. The reversal of 82422928 is 82922428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367848 + ... + 368071.

It is an arithmetic number, because the mean of its divisors is an integer number (9125408).

Almost surely, 282422928 is an apocalyptic number.

It is an amenable number.

82422928 is an abundant number, since it is smaller than the sum of its proper divisors (100085232).

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

82422928 is a wasteful number, since it uses less digits than its factorization.

82422928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735934 (or 735928 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 82422928 is about 9078.7073969811. The cubic root of 82422928 is about 435.1937798725.

Subtracting 82422928 from its reverse (82922428), we obtain a triangular number (499500 = T999).

The spelling of 82422928 in words is "eighty-two million, four hundred twenty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 735919 1471838 2943676 5151433 5887352 10302866 11774704 20605732 41211464 82422928