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13479838 = 229232411
BaseRepresentation
bin110011011010…
…111110011110
3221100211212021
4303122332132
511422323323
61200530354
7222401551
oct63327636
927324767
1013479838
117677669
1246209ba
132a3c748
141b0c698
1512b405d
hexcdaf9e

13479838 has 8 divisors (see below), whose sum is σ = 20917080. Its totient is φ = 6507480.

The previous prime is 13479821. The next prime is 13479871. The reversal of 13479838 is 83897431.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13479794 and 13479803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116148 + ... + 116263.

It is an arithmetic number, because the mean of its divisors is an integer number (2614635).

Almost surely, 213479838 is an apocalyptic number.

13479838 is a deficient number, since it is larger than the sum of its proper divisors (7437242).

13479838 is a wasteful number, since it uses less digits than its factorization.

13479838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232442.

The product of its digits is 145152, while the sum is 43.

The square root of 13479838 is about 3671.4898883151. The cubic root of 13479838 is about 237.9915610312.

The spelling of 13479838 in words is "thirteen million, four hundred seventy-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 29 58 232411 464822 6739919 13479838