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82108436 = 221723471117
BaseRepresentation
bin1001110010011…
…10000000010100
312201111112121012
410321032000110
5132004432221
612051511352
72014624124
oct471160024
9181445535
1082108436
1142391313
12235b8558
131401ac97
14ac94c84
15731d65b
hex4e4e014

82108436 has 48 divisors (see below), whose sum is σ = 162279936. Its totient is φ = 36140544.

The previous prime is 82108391. The next prime is 82108441. The reversal of 82108436 is 63480128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72950 + ... + 74066.

It is an arithmetic number, because the mean of its divisors is an integer number (3380832).

Almost surely, 282108436 is an apocalyptic number.

It is an amenable number.

82108436 is a deficient number, since it is larger than the sum of its proper divisors (80171500).

82108436 is a wasteful number, since it uses less digits than its factorization.

82108436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 82108436 is about 9061.3705365138. The cubic root of 82108436 is about 434.6395675558.

The spelling of 82108436 in words is "eighty-two million, one hundred eight thousand, four hundred thirty-six".

Divisors: 1 2 4 17 23 34 46 47 68 92 94 188 391 782 799 1081 1117 1564 1598 2162 2234 3196 4324 4468 18377 18989 25691 36754 37978 51382 52499 73508 75956 102764 104998 209996 436747 873494 892483 1207477 1746988 1784966 2414954 3569932 4829908 20527109 41054218 82108436