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82982115 = 32511316319
BaseRepresentation
bin1001111001000…
…11010011100011
312210010221001200
410330203103203
5132220411430
612122332243
72025223236
oct474432343
9183127050
1082982115
1142928767
122395a083
1314265858
14b04141d
157442460
hex4f234e3

82982115 has 24 divisors (see below), whose sum is σ = 145117440. Its totient is φ = 43862784.

The previous prime is 82982111. The next prime is 82982147. The reversal of 82982115 is 51128928.

It is not a de Polignac number, because 82982115 - 22 = 82982111 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 82982115.

It is not an unprimeable number, because it can be changed into a prime (82982111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3075 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (6046560).

Almost surely, 282982115 is an apocalyptic number.

82982115 is a deficient number, since it is larger than the sum of its proper divisors (62135325).

82982115 is a wasteful number, since it uses less digits than its factorization.

82982115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443 (or 16440 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 82982115 is about 9109.4519593662. The cubic root of 82982115 is about 436.1757333148.

It can be divided in two parts, 829 and 82115, that added together give a square (82944 = 2882).

The spelling of 82982115 in words is "eighty-two million, nine hundred eighty-two thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 45 113 339 565 1017 1695 5085 16319 48957 81595 146871 244785 734355 1844047 5532141 9220235 16596423 27660705 82982115