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13998671 = 41421811
BaseRepresentation
bin110101011001…
…101001001111
3222100012120022
4311121221033
512040424141
61220012355
7226662311
oct65315117
928305508
1013998671
1179a1455
1248310bb
132b9194b
141c057b1
151367b4b
hexd59a4f

13998671 has 8 divisors (see below), whose sum is σ = 14391888. Its totient is φ = 13608000.

The previous prime is 13998659. The next prime is 13998679. The reversal of 13998671 is 17689931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13998671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16856 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (1798986).

Almost surely, 213998671 is an apocalyptic number.

13998671 is a deficient number, since it is larger than the sum of its proper divisors (393217).

13998671 is an equidigital number, since it uses as much as digits as its factorization.

13998671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its digits is 81648, while the sum is 44.

The square root of 13998671 is about 3741.4797874638. The cubic root of 13998671 is about 241.0065997975.

The spelling of 13998671 in words is "thirteen million, nine hundred ninety-eight thousand, six hundred seventy-one".

Divisors: 1 41 421 811 17261 33251 341431 13998671