Search a number
-
+
13720848 = 243319221
BaseRepresentation
bin110100010101…
…110100010000
3221211002110120
4310111310100
512003031343
61210030240
7224424321
oct64256420
927732416
1013720848
117821749
124718380
132ac535b
141b72448
151310683
hexd15d10

13720848 has 40 divisors (see below), whose sum is σ = 36592896. Its totient is φ = 4425600.

The previous prime is 13720843. The next prime is 13720859. The reversal of 13720848 is 84802731.

It is not an unprimeable number, because it can be changed into a prime (13720841) 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, 3123 + ... + 6098.

Almost surely, 213720848 is an apocalyptic number.

It is an amenable number.

13720848 is an abundant number, since it is smaller than the sum of its proper divisors (22872048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13720848 is a wasteful number, since it uses less digits than its factorization.

13720848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263 (or 9257 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 13720848 is about 3704.1663029621. The cubic root of 13720848 is about 239.4015646086.

The spelling of 13720848 in words is "thirteen million, seven hundred twenty thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 9221 18442 27663 36884 55326 73768 110652 147536 221304 285851 442608 571702 857553 1143404 1715106 2286808 3430212 4573616 6860424 13720848