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13686484 = 227269829
BaseRepresentation
bin110100001101…
…011011010100
3221202100022211
4310031123110
512000431414
61205203204
7224222200
oct64153324
927670284
1013686484
1177a8949
124700504
132ab2816
141b63b00
1513053c4
hexd0d6d4

13686484 has 18 divisors (see below), whose sum is σ = 27862170. Its totient is φ = 5865552.

The previous prime is 13686481. The next prime is 13686493. The reversal of 13686484 is 48468631.

13686484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7683984 + 6002500 = 2772^2 + 2450^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13686481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34719 + ... + 35110.

Almost surely, 213686484 is an apocalyptic number.

13686484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13686484 is an abundant number, since it is smaller than the sum of its proper divisors (14175686).

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

13686484 is a wasteful number, since it uses less digits than its factorization.

13686484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69847 (or 69838 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 13686484 is about 3699.5248343537. The cubic root of 13686484 is about 239.2015363264.

The spelling of 13686484 in words is "thirteen million, six hundred eighty-six thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 69829 139658 279316 488803 977606 1955212 3421621 6843242 13686484