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13984090 = 252948221
BaseRepresentation
bin110101010110…
…000101011010
3222022110120021
4311112011122
512034442330
61215421054
7226601641
oct65260532
928273507
1013984090
1179914aa
12482478a
132b88113
141c00358
15136367a
hexd5615a

13984090 has 16 divisors (see below), whose sum is σ = 26039880. Its totient is φ = 5400640.

The previous prime is 13984063. The next prime is 13984111. The reversal of 13984090 is 9048931.

13984090 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 4 ways, for example, as 7568001 + 6416089 = 2751^2 + 2533^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23821 + ... + 24400.

Almost surely, 213984090 is an apocalyptic number.

13984090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13984090 is a deficient number, since it is larger than the sum of its proper divisors (12055790).

13984090 is a wasteful number, since it uses less digits than its factorization.

13984090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48257.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13984090 is about 3739.5307192213. The cubic root of 13984090 is about 240.9228933266.

The spelling of 13984090 in words is "thirteen million, nine hundred eighty-four thousand, ninety".

Divisors: 1 2 5 10 29 58 145 290 48221 96442 241105 482210 1398409 2796818 6992045 13984090