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13784494 = 266110427
BaseRepresentation
bin110100100101…
…010110101110
3221221022202211
4310211112232
512012100434
61211241034
7225111013
oct64452656
927838684
1013784494
117865549
12474917a
132b18309
141b8b70a
151324464
hexd255ae

13784494 has 8 divisors (see below), whose sum is σ = 20710008. Its totient is φ = 6881160.

The previous prime is 13784479. The next prime is 13784497. The reversal of 13784494 is 49448731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13784497) 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 in 3 ways as a sum of consecutive naturals, for example, 3892 + ... + 6535.

It is an arithmetic number, because the mean of its divisors is an integer number (2588751).

Almost surely, 213784494 is an apocalyptic number.

13784494 is a deficient number, since it is larger than the sum of its proper divisors (6925514).

13784494 is a wasteful number, since it uses less digits than its factorization.

13784494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090.

The product of its digits is 96768, while the sum is 40.

The square root of 13784494 is about 3712.7475001675. The cubic root of 13784494 is about 239.7711591837.

The spelling of 13784494 in words is "thirteen million, seven hundred eighty-four thousand, four hundred ninety-four".

Divisors: 1 2 661 1322 10427 20854 6892247 13784494