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13301288 = 23711213151
BaseRepresentation
bin110010101111…
…011000101000
3221000202221022
4302233120220
511401120123
61153032012
7221026160
oct62573050
927022838
1013301288
117565500
124555608
1329a93b0
141aa35a0
15127b1c8
hexcaf628

13301288 has 96 divisors (see below), whose sum is σ = 33962880. Its totient is φ = 4752000.

The previous prime is 13301287. The next prime is 13301341. The reversal of 13301288 is 88210331.

13301288 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 (26).

It is not an unprimeable number, because it can be changed into a prime (13301287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88013 + ... + 88163.

It is an arithmetic number, because the mean of its divisors is an integer number (353780).

Almost surely, 213301288 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 13301288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16981440).

13301288 is an abundant number, since it is smaller than the sum of its proper divisors (20661592).

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

13301288 is a wasteful number, since it uses less digits than its factorization.

13301288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13301288 is about 3647.0930890231. The cubic root of 13301288 is about 236.9360981854.

The spelling of 13301288 in words is "thirteen million, three hundred one thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 121 143 151 154 182 242 286 302 308 364 484 572 604 616 728 847 968 1001 1057 1144 1208 1573 1661 1694 1963 2002 2114 3146 3322 3388 3926 4004 4228 6292 6644 6776 7852 8008 8456 11011 11627 12584 13288 13741 15704 18271 21593 22022 23254 27482 36542 43186 44044 46508 54964 73084 86372 88088 93016 109928 127897 146168 151151 172744 237523 255794 302302 475046 511588 604604 950092 1023176 1209208 1662661 1900184 3325322 6650644 13301288