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82102208 = 261578171
BaseRepresentation
bin1001110010011…
…00011111000000
312201111020001112
410321030133000
5132004232313
612051422452
72014600016
oct471143700
9181436045
1082102208
1142387671
12235b4a28
13140181b6
14ac928b6
15731b8a8
hex4e4c7c0

82102208 has 28 divisors (see below), whose sum is σ = 163979352. Its totient is φ = 40784640.

The previous prime is 82102183. The next prime is 82102261. The reversal of 82102208 is 80220128.

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, 5963 + ... + 14133.

Almost surely, 282102208 is an apocalyptic number.

It is an amenable number.

82102208 is a deficient number, since it is larger than the sum of its proper divisors (81877144).

82102208 is a wasteful number, since it uses less digits than its factorization.

82102208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340 (or 8330 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 82102208 is about 9061.0268733737. The cubic root of 82102208 is about 434.6285780083.

The spelling of 82102208 in words is "eighty-two million, one hundred two thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 157 314 628 1256 2512 5024 8171 10048 16342 32684 65368 130736 261472 522944 1282847 2565694 5131388 10262776 20525552 41051104 82102208