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82205008 = 247370381
BaseRepresentation
bin1001110011001…
…01100101010000
312201200110001221
410321211211100
5132021030013
612053534424
72015505514
oct471454520
9181613057
1082205008
1142447926
1223644414
1314052c22
14acbc144
15733c08d
hex4e65950

82205008 has 20 divisors (see below), whose sum is σ = 161456308. Its totient is φ = 40538880.

The previous prime is 82204999. The next prime is 82205023. The reversal of 82205008 is 80050228.

It can be written as a sum of positive squares in 2 ways, for example, as 35856144 + 46348864 = 5988^2 + 6808^2 .

It is a congruent number.

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, 34023 + ... + 36358.

Almost surely, 282205008 is an apocalyptic number.

It is an amenable number.

82205008 is a deficient number, since it is larger than the sum of its proper divisors (79251300).

82205008 is a wasteful number, since it uses less digits than its factorization.

82205008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70462 (or 70456 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 82205008 is about 9066.6977450448. The cubic root of 82205008 is about 434.8099015238.

The spelling of 82205008 in words is "eighty-two million, two hundred five thousand, eight".

Divisors: 1 2 4 8 16 73 146 292 584 1168 70381 140762 281524 563048 1126096 5137813 10275626 20551252 41102504 82205008