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13201982 = 253269463
BaseRepresentation
bin110010010111…
…001000111110
3220211201201022
4302113020332
511334430412
61150544142
7220133513
oct62271076
926751638
1013201982
1174a7932
124508052
132973131
141a7930a
15125ba72
hexc9723e

13201982 has 16 divisors (see below), whose sum is σ = 20295360. Its totient is φ = 6438432.

The previous prime is 13201967. The next prime is 13201997. The reversal of 13201982 is 28910231.

It is an interprime number because it is at equal distance from previous prime (13201967) and next prime (13201997).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28283 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (1268460).

Almost surely, 213201982 is an apocalyptic number.

13201982 is a deficient number, since it is larger than the sum of its proper divisors (7093378).

13201982 is a wasteful number, since it uses less digits than its factorization.

13201982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13201982 is about 3633.4531784516. The cubic root of 13201982 is about 236.3449780950.

The spelling of 13201982 in words is "thirteen million, two hundred one thousand, nine hundred eighty-two".

Divisors: 1 2 53 106 269 463 538 926 14257 24539 28514 49078 124547 249094 6600991 13201982