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82112955 = 3531415973
BaseRepresentation
bin1001110010011…
…11000110111011
312201111202210120
410321033012323
5132010103310
612051544323
72014643241
oct471170673
9181452716
1082112955
1142394751
12235bb0a3
1314020062
14ac96791
15731eb70
hex4e4f1bb

82112955 has 64 divisors (see below), whose sum is σ = 143216640. Its totient is φ = 40089600.

The previous prime is 82112951. The next prime is 82112963. The reversal of 82112955 is 55921128.

It is not a de Polignac number, because 82112955 - 22 = 82112951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82112951) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1124799 + ... + 1124871.

It is an arithmetic number, because the mean of its divisors is an integer number (2237760).

Almost surely, 282112955 is an apocalyptic number.

82112955 is a deficient number, since it is larger than the sum of its proper divisors (61103685).

82112955 is a wasteful number, since it uses less digits than its factorization.

82112955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its digits is 7200, while the sum is 33.

The square root of 82112955 is about 9061.6198882981. The cubic root of 82112955 is about 434.6475411587.

The spelling of 82112955 in words is "eighty-two million, one hundred twelve thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 31 41 59 73 93 123 155 177 205 219 295 365 465 615 885 1095 1271 1829 2263 2419 2993 3813 4307 5487 6355 6789 7257 8979 9145 11315 12095 12921 14965 19065 21535 27435 33945 36285 44895 64605 74989 92783 133517 176587 224967 278349 374945 400551 463915 529761 667585 882935 1124835 1391745 2002755 2648805 5474197 16422591 27370985 82112955