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5286169 = 72107881
BaseRepresentation
bin10100001010100100011001
3100221120021001
4110022210121
52323124134
6305145001
762634400
oct24124431
910846231
105286169
112a90639
12192b161
131131115
149b8637
156e6414
hex50a919

5286169 has 6 divisors (see below), whose sum is σ = 6149274. Its totient is φ = 4530960.

The previous prime is 5286143. The next prime is 5286179. The reversal of 5286169 is 9616825.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 1334025 = 1988^2 + 1155^2 .

It is a de Polignac number, because none of the positive numbers 2k-5286169 is a prime.

It is a super-2 number, since 2×52861692 = 55887165393122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5286109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53892 + ... + 53989.

It is an arithmetic number, because the mean of its divisors is an integer number (1024879).

Almost surely, 25286169 is an apocalyptic number.

It is an amenable number.

5286169 is a deficient number, since it is larger than the sum of its proper divisors (863105).

5286169 is a wasteful number, since it uses less digits than its factorization.

5286169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107895 (or 107888 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 5286169 is about 2299.1670230760. The cubic root of 5286169 is about 174.1995442716.

The spelling of 5286169 in words is "five million, two hundred eighty-six thousand, one hundred sixty-nine".

Divisors: 1 7 49 107881 755167 5286169