Search a number
-
+
5197869 = 321753641
BaseRepresentation
bin10011110101000000101101
3100210002010200
4103311000231
52312312434
6303224113
762116065
oct23650055
910702120
105197869
112a30266
1218a8039
1310ccb81
149943a5
156ca199
hex4f502d

5197869 has 24 divisors (see below), whose sum is σ = 8112312. Its totient is φ = 3194880.

The previous prime is 5197853. The next prime is 5197877. The reversal of 5197869 is 9687915.

5197869 is a `hidden beast` number, since 519 + 78 + 69 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3132900 + 2064969 = 1770^2 + 1437^2 .

It is not a de Polignac number, because 5197869 - 24 = 5197853 is a prime.

It is a super-2 number, since 2×51978692 = 54035684282322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7789 + ... + 8429.

It is an arithmetic number, because the mean of its divisors is an integer number (338013).

Almost surely, 25197869 is an apocalyptic number.

It is an amenable number.

5197869 is a deficient number, since it is larger than the sum of its proper divisors (2914443).

5197869 is a wasteful number, since it uses less digits than its factorization.

5197869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 714 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 5197869 is about 2279.8835496577. The cubic root of 5197869 is about 173.2241517380.

The spelling of 5197869 in words is "five million, one hundred ninety-seven thousand, eight hundred sixty-nine".

Divisors: 1 3 9 17 51 53 153 159 477 641 901 1923 2703 5769 8109 10897 32691 33973 98073 101919 305757 577541 1732623 5197869