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13899448 = 231737431
BaseRepresentation
bin110101000001…
…011010111000
3222011011110101
4311001122320
512024240243
61213525144
7226100113
oct65013270
928134411
1013899448
117933952
1247a37b4
132b58734
141bbb57a
15134854d
hexd416b8

13899448 has 8 divisors (see below), whose sum is σ = 26061480. Its totient is φ = 6949720.

The previous prime is 13899443. The next prime is 13899463. The reversal of 13899448 is 84499831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13899398 and 13899407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899443) 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 as a sum of consecutive naturals, namely, 868708 + ... + 868723.

It is an arithmetic number, because the mean of its divisors is an integer number (3257685).

Almost surely, 213899448 is an apocalyptic number.

It is an amenable number.

13899448 is a deficient number, since it is larger than the sum of its proper divisors (12162032).

13899448 is a wasteful number, since it uses less digits than its factorization.

13899448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737437 (or 1737433 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 13899448 is about 3728.1963467607. The cubic root of 13899448 is about 240.4358284478.

The spelling of 13899448 in words is "thirteen million, eight hundred ninety-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 8 1737431 3474862 6949724 13899448