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13784313 = 337124183
BaseRepresentation
bin110100100101…
…010011111001
3221221022112010
4310211103321
512012044223
61211240133
7225110334
oct64452371
927838463
1013784313
1178653a4
124749049
132b181ca
141b8b61b
151324393
hexd254f9

13784313 has 8 divisors (see below), whose sum is σ = 18875968. Its totient is φ = 8941104.

The previous prime is 13784273. The next prime is 13784317. The reversal of 13784313 is 31348731.

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

It is a de Polignac number, because none of the positive numbers 2k-13784313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13784317) 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 7 ways as a sum of consecutive naturals, for example, 61981 + ... + 62202.

It is an arithmetic number, because the mean of its divisors is an integer number (2359496).

Almost surely, 213784313 is an apocalyptic number.

It is an amenable number.

13784313 is a deficient number, since it is larger than the sum of its proper divisors (5091655).

13784313 is a wasteful number, since it uses less digits than its factorization.

13784313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124223.

The product of its digits is 6048, while the sum is 30.

The square root of 13784313 is about 3712.7231246081. The cubic root of 13784313 is about 239.7701097250.

The spelling of 13784313 in words is "thirteen million, seven hundred eighty-four thousand, three hundred thirteen".

Divisors: 1 3 37 111 124183 372549 4594771 13784313