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13475490 = 2357289103
BaseRepresentation
bin110011011001…
…111010100010
3221100121220020
4303121322202
511422203430
61200454310
7222353100
oct63317242
927317806
1013475490
117674376
12461a396
132a3a782
141b0ac70
1512b2b10
hexcd9ea2

13475490 has 96 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 3015936.

The previous prime is 13475477. The next prime is 13475507. The reversal of 13475490 is 9457431.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 130779 + ... + 130881.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 213475490 is an apocalyptic number.

13475490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13475490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19206720).

13475490 is an abundant number, since it is smaller than the sum of its proper divisors (24937950).

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

13475490 is a wasteful number, since it uses less digits than its factorization.

13475490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 13475490 is about 3670.8977103700. The cubic root of 13475490 is about 237.9659697596.

The spelling of 13475490 in words is "thirteen million, four hundred seventy-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 89 98 103 105 147 178 206 210 245 267 294 309 445 490 515 534 618 623 721 735 890 1030 1246 1335 1442 1470 1545 1869 2163 2670 3090 3115 3605 3738 4326 4361 5047 6230 7210 8722 9167 9345 10094 10815 13083 15141 18334 18690 21630 21805 25235 26166 27501 30282 43610 45835 50470 55002 64169 65415 75705 91670 128338 130830 137505 151410 192507 275010 320845 385014 449183 641690 898366 962535 1347549 1925070 2245915 2695098 4491830 6737745 13475490