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4915485 = 34553229
BaseRepresentation
bin10010110000000100011101
3100020201210000
4102300010131
52224243420
6253204513
756531601
oct22600435
910221700
104915485
112858093
121790739
131031493
1491d501
15671690
hex4b011d

4915485 has 40 divisors (see below), whose sum is σ = 9016920. Its totient is φ = 2560896.

The previous prime is 4915451. The next prime is 4915489. The reversal of 4915485 is 5845194.

4915485 = T250 + T251 + ... + T355.

It can be written as a sum of positive squares in 4 ways, for example, as 2022084 + 2893401 = 1422^2 + 1701^2 .

It is not a de Polignac number, because 4915485 - 214 = 4899101 is a prime.

It is an Ulam number.

4915485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4915489) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21351 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (225423).

Almost surely, 24915485 is an apocalyptic number.

4915485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4915485 is a deficient number, since it is larger than the sum of its proper divisors (4101435).

4915485 is a wasteful number, since it uses less digits than its factorization.

4915485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 290 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4915485 is about 2217.0893080794. The cubic root of 4915485 is about 170.0286572220.

The spelling of 4915485 in words is "four million, nine hundred fifteen thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 53 81 135 159 229 265 405 477 687 795 1145 1431 2061 2385 3435 4293 6183 7155 10305 12137 18549 21465 30915 36411 60685 92745 109233 182055 327699 546165 983097 1638495 4915485