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5260905 = 3251317232
BaseRepresentation
bin10100000100011001101001
3100220021121100
4110010121221
52321322110
6304432013
762500626
oct24043151
910807540
105260905
112a73661
121918609
131122780
149ad34d
156ddbc0
hex504669

5260905 has 72 divisors (see below), whose sum is σ = 10869768. Its totient is φ = 2331648.

The previous prime is 5260903. The next prime is 5260909. The reversal of 5260905 is 5090625.

5260905 is a `hidden beast` number, since 52 + 609 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 385641 + 4875264 = 621^2 + 2208^2 .

It is not a de Polignac number, because 5260905 - 21 = 5260903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5260901) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 228724 + ... + 228746.

It is an arithmetic number, because the mean of its divisors is an integer number (150969).

Almost surely, 25260905 is an apocalyptic number.

It is an amenable number.

5260905 is an abundant number, since it is smaller than the sum of its proper divisors (5608863).

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

5260905 is a wasteful number, since it uses less digits than its factorization.

5260905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5260905 is about 2293.6662791261. Note that the first 3 decimals coincide. The cubic root of 5260905 is about 173.9215857534.

The spelling of 5260905 in words is "five million, two hundred sixty thousand, nine hundred five".

Divisors: 1 3 5 9 13 15 17 23 39 45 51 65 69 85 115 117 153 195 207 221 255 299 345 391 529 585 663 765 897 1035 1105 1173 1495 1587 1955 1989 2645 2691 3315 3519 4485 4761 5083 5865 6877 7935 8993 9945 13455 15249 17595 20631 23805 25415 26979 34385 44965 45747 61893 76245 80937 103155 116909 134895 228735 309465 350727 404685 584545 1052181 1753635 5260905