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13016748 = 22319371543
BaseRepresentation
bin110001101001…
…111010101100
3220111022121210
4301221322230
511313013443
61142554420
7215432463
oct61517254
926438553
1013016748
117390748
124438a10
132909a24
141a2b9da
151221c33
hexc69eac

13016748 has 48 divisors (see below), whose sum is σ = 32856320. Its totient is φ = 3996864.

The previous prime is 13016743. The next prime is 13016749. The reversal of 13016748 is 84761031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13016741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7665 + ... + 9207.

Almost surely, 213016748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13016748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16428160).

13016748 is an abundant number, since it is smaller than the sum of its proper divisors (19839572).

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

13016748 is a wasteful number, since it uses less digits than its factorization.

13016748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13016748 is about 3607.8730576338. The cubic root of 13016748 is about 235.2344001931.

Adding to 13016748 its reverse (84761031), we get a palindrome (97777779).

The spelling of 13016748 in words is "thirteen million, sixteen thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 1543 2109 2812 3086 4218 4629 6172 8436 9258 18516 29317 57091 58634 87951 114182 117268 171273 175902 228364 342546 351804 685092 1084729 2169458 3254187 4338916 6508374 13016748