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5108985 = 32573331
BaseRepresentation
bin10011011111010011111001
3100121120012200
4103133103321
52301441420
6301300413
761266000
oct23372371
910546180
105108985
11297a502
121864709
13109b58b
1496dc37
156adb90
hex4df4f9

5108985 has 48 divisors (see below), whose sum is σ = 10358400. Its totient is φ = 2328480.

The previous prime is 5108977. The next prime is 5108989. The reversal of 5108985 is 5898015.

It is not a de Polignac number, because 5108985 - 23 = 5108977 is a prime.

It is a super-2 number, since 2×51089852 = 52203455460450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5108989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15270 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (215800).

Almost surely, 25108985 is an apocalyptic number.

It is an amenable number.

5108985 is an abundant number, since it is smaller than the sum of its proper divisors (5249415).

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

5108985 is a wasteful number, since it uses less digits than its factorization.

5108985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 5108985 is about 2260.3063951597. The cubic root of 5108985 is about 172.2310869912.

The spelling of 5108985 in words is "five million, one hundred eight thousand, nine hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 35 45 49 63 105 147 245 315 331 343 441 735 993 1029 1655 1715 2205 2317 2979 3087 4965 5145 6951 11585 14895 15435 16219 20853 34755 48657 81095 104265 113533 145971 243285 340599 567665 729855 1021797 1702995 5108985