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82870108 = 2220717527
BaseRepresentation
bin1001111000001…
…11111101011100
312202221020102021
410330013331130
5132203320413
612120105524
72024245546
oct474077534
9182836367
1082870108
11428615a2
12239052a4
1314226889
14b012696
15741e18d
hex4f07f5c

82870108 has 6 divisors (see below), whose sum is σ = 145022696. Its totient is φ = 41435052.

The previous prime is 82870091. The next prime is 82870163. The reversal of 82870108 is 80107828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10358760 + ... + 10358767.

Almost surely, 282870108 is an apocalyptic number.

It is an amenable number.

82870108 is a deficient number, since it is larger than the sum of its proper divisors (62152588).

82870108 is a wasteful number, since it uses less digits than its factorization.

82870108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20717531 (or 20717529 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 82870108 is about 9103.3020382716. The cubic root of 82870108 is about 435.9793989088.

The spelling of 82870108 in words is "eighty-two million, eight hundred seventy thousand, one hundred eight".

Divisors: 1 2 4 20717527 41435054 82870108