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13037328 = 2433103293
BaseRepresentation
bin110001101110…
…111100010000
3220112100212000
4301232330100
511314143303
61143234000
7215546463
oct61567420
926470760
1013037328
1173a5157
124448900
1329161c5
141a352da
151227da3
hexc6ef10

13037328 has 80 divisors (see below), whose sum is σ = 37914240. Its totient is φ = 4288896.

The previous prime is 13037309. The next prime is 13037333. The reversal of 13037328 is 82373031.

13037328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44350 + ... + 44642.

It is an arithmetic number, because the mean of its divisors is an integer number (473928).

Almost surely, 213037328 is an apocalyptic number.

13037328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13037328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18957120).

13037328 is an abundant number, since it is smaller than the sum of its proper divisors (24876912).

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

13037328 is a wasteful number, since it uses less digits than its factorization.

13037328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13037328 is about 3610.7240271170. The cubic root of 13037328 is about 235.3583065855.

The spelling of 13037328 in words is "thirteen million, thirty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 103 108 144 206 216 293 309 412 432 586 618 824 879 927 1172 1236 1648 1758 1854 2344 2472 2637 2781 3516 3708 4688 4944 5274 5562 7032 7416 7911 10548 11124 14064 14832 15822 21096 22248 30179 31644 42192 44496 60358 63288 90537 120716 126576 181074 241432 271611 362148 482864 543222 724296 814833 1086444 1448592 1629666 2172888 3259332 4345776 6518664 13037328