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13143984 = 243739119
BaseRepresentation
bin110010001000…
…111110110000
3220201210011020
4302020332300
511331101414
61145415440
7216502440
oct62107660
926653136
1013143984
1174682a7
12449a580
132952909
141a62120
1512497a9
hexc88fb0

13143984 has 40 divisors (see below), whose sum is σ = 38807040. Its totient is φ = 3755328.

The previous prime is 13143967. The next prime is 13143997. The reversal of 13143984 is 48934131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19224 + ... + 19895.

It is an arithmetic number, because the mean of its divisors is an integer number (970176).

Almost surely, 213143984 is an apocalyptic number.

13143984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13143984 is an abundant number, since it is smaller than the sum of its proper divisors (25663056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143984 is a wasteful number, since it uses less digits than its factorization.

13143984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39137 (or 39131 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 13143984 is about 3625.4632807408. The cubic root of 13143984 is about 235.9983721041.

The spelling of 13143984 in words is "thirteen million, one hundred forty-three thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 39119 78238 117357 156476 234714 273833 312952 469428 547666 625904 821499 938856 1095332 1642998 1877712 2190664 3285996 4381328 6571992 13143984