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10399471 = 43923689
BaseRepresentation
bin100111101010…
…111011101111
3201120100101121
4213222323233
510130240341
61010521411
7154252105
oct47527357
921510347
1010399471
115963305
123596267
132201644
141549c75
15da64d1
hex9eaeef

10399471 has 4 divisors (see below), whose sum is σ = 10423600. Its totient is φ = 10375344.

The previous prime is 10399451. The next prime is 10399531. The reversal of 10399471 is 17499301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17499301 = 142712263.

It is a cyclic number.

It is not a de Polignac number, because 10399471 - 25 = 10399439 is a prime.

It is a super-3 number, since 3×103994713 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11406 + ... + 12283.

It is an arithmetic number, because the mean of its divisors is an integer number (2605900).

Almost surely, 210399471 is an apocalyptic number.

10399471 is a deficient number, since it is larger than the sum of its proper divisors (24129).

10399471 is an equidigital number, since it uses as much as digits as its factorization.

10399471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24128.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 10399471 is about 3224.8210803082. The cubic root of 10399471 is about 218.2748756082.

The spelling of 10399471 in words is "ten million, three hundred ninety-nine thousand, four hundred seventy-one".

Divisors: 1 439 23689 10399471