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13666484 = 2213892953
BaseRepresentation
bin110100001000…
…100010110100
3221201022220002
4310020202310
511444311414
61204530432
7224106656
oct64104264
927638802
1013666484
117794917
1246b0a18
132aa66a0
141b5a6d6
1512ee4de
hexd088b4

13666484 has 24 divisors (see below), whose sum is σ = 26054280. Its totient is φ = 6234624.

The previous prime is 13666483. The next prime is 13666493. The reversal of 13666484 is 48466631.

It can be written as a sum of positive squares in 4 ways, for example, as 547600 + 13118884 = 740^2 + 3622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13666483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (1085595).

Almost surely, 213666484 is an apocalyptic number.

It is an amenable number.

13666484 is a deficient number, since it is larger than the sum of its proper divisors (12387796).

13666484 is a wasteful number, since it uses less digits than its factorization.

13666484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059 (or 3057 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 13666484 is about 3696.8207963059. The cubic root of 13666484 is about 239.0849648019.

The spelling of 13666484 in words is "thirteen million, six hundred sixty-six thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 52 89 178 356 1157 2314 2953 4628 5906 11812 38389 76778 153556 262817 525634 1051268 3416621 6833242 13666484