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13704417 = 33507571
BaseRepresentation
bin110100010001…
…110011100001
3221210020221000
4310101303201
512002020132
61205422213
7224325366
oct64216341
927706830
1013704417
117810371
12470a969
132abaa2c
141b6a46d
15130a87c
hexd11ce1

13704417 has 8 divisors (see below), whose sum is σ = 20302880. Its totient is φ = 9136260.

The previous prime is 13704413. The next prime is 13704421. The reversal of 13704417 is 71440731.

It is an interprime number because it is at equal distance from previous prime (13704413) and next prime (13704421).

It is not a de Polignac number, because 13704417 - 22 = 13704413 is a prime.

It is a super-2 number, since 2×137044172 = 375622090619778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 507571 = 13704417 / (1 + 3 + 7 + 0 + 4 + 4 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13704413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253759 + ... + 253812.

It is an arithmetic number, because the mean of its divisors is an integer number (2537860).

Almost surely, 213704417 is an apocalyptic number.

It is an amenable number.

13704417 is a deficient number, since it is larger than the sum of its proper divisors (6598463).

13704417 is an equidigital number, since it uses as much as digits as its factorization.

13704417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507580 (or 507574 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 13704417 is about 3701.9477305872. The cubic root of 13704417 is about 239.3059636578.

The spelling of 13704417 in words is "thirteen million, seven hundred four thousand, four hundred seventeen".

Divisors: 1 3 9 27 507571 1522713 4568139 13704417