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13824488 = 231728061
BaseRepresentation
bin110100101111…
…000111101000
3222000100122002
4310233013220
512014340423
61212150132
7225335426
oct64570750
928010562
1013824488
1178925a7
124768348
132b30592
141b9c116
151331228
hexd2f1e8

13824488 has 8 divisors (see below), whose sum is σ = 25920930. Its totient is φ = 6912240.

The previous prime is 13824487. The next prime is 13824511. The reversal of 13824488 is 88442831.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 850084 = 3602^2 + 922^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×138244882 = 382232936924288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13824487) by changing a digit.

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 as a sum of consecutive naturals, namely, 864023 + ... + 864038.

Almost surely, 213824488 is an apocalyptic number.

It is an amenable number.

13824488 is a deficient number, since it is larger than the sum of its proper divisors (12096442).

13824488 is a wasteful number, since it uses less digits than its factorization.

13824488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728067 (or 1728063 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 13824488 is about 3718.1296373311. The cubic root of 13824488 is about 240.0028240408.

The spelling of 13824488 in words is "thirteen million, eight hundred twenty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 1728061 3456122 6912244 13824488