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13028248 = 235330727
BaseRepresentation
bin110001101100…
…101110011000
3220111220101201
4301230232120
511313400443
61143123544
7215511142
oct61545630
926456351
1013028248
117399352
1244435b4
13291202c
141a31c92
15122534d
hexc6cb98

13028248 has 16 divisors (see below), whose sum is σ = 24889680. Its totient is φ = 6391008.

The previous prime is 13028233. The next prime is 13028251. The reversal of 13028248 is 84282031.

13028248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14940 + ... + 15787.

It is an arithmetic number, because the mean of its divisors is an integer number (1555605).

Almost surely, 213028248 is an apocalyptic number.

It is an amenable number.

13028248 is a deficient number, since it is larger than the sum of its proper divisors (11861432).

13028248 is a wasteful number, since it uses less digits than its factorization.

13028248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30786 (or 30782 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 13028248 is about 3609.4664425646. The cubic root of 13028248 is about 235.3036545448.

The spelling of 13028248 in words is "thirteen million, twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 53 106 212 424 30727 61454 122908 245816 1628531 3257062 6514124 13028248