Search a number
-
+
82839211 = 7133972293
BaseRepresentation
bin1001111000000…
…00011010101011
312202212200000221
410330000122223
5132201323321
612115310511
72024056510
oct474003253
9182780027
1082839211
1142840364
12238ab437
13142157b0
14b005307
157414e41
hex4f006ab

82839211 has 16 divisors (see below), whose sum is σ = 102257344. Its totient is φ = 65349504.

The previous prime is 82839209. The next prime is 82839217. The reversal of 82839211 is 11293828.

It is a cyclic number.

It is not a de Polignac number, because 82839211 - 21 = 82839209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82839217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34981 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (6391084).

Almost surely, 282839211 is an apocalyptic number.

82839211 is a deficient number, since it is larger than the sum of its proper divisors (19418133).

82839211 is a wasteful number, since it uses less digits than its factorization.

82839211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its digits is 6912, while the sum is 34.

The square root of 82839211 is about 9101.6048584851. The cubic root of 82839211 is about 435.9252091643.

The spelling of 82839211 in words is "eighty-two million, eight hundred thirty-nine thousand, two hundred eleven".

Divisors: 1 7 13 91 397 2293 2779 5161 16051 29809 36127 208663 910321 6372247 11834173 82839211