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5685732 = 22321312149
BaseRepresentation
bin10101101100000111100100
3101200212100200
4111230013210
52423420412
6321510500
766220323
oct25540744
911625320
105685732
113233858
121aa2430
131240c50
14a800ba
157749dc
hex56c1e4

5685732 has 36 divisors (see below), whose sum is σ = 15479100. Its totient is φ = 1749312.

The previous prime is 5685697. The next prime is 5685733. The reversal of 5685732 is 2375865.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 2090916 = 1896^2 + 1446^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685733) 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 11 ways as a sum of consecutive naturals, for example, 5607 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (429975).

Almost surely, 25685732 is an apocalyptic number.

5685732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5685732 is an abundant number, since it is smaller than the sum of its proper divisors (9793368).

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

5685732 is a wasteful number, since it uses less digits than its factorization.

5685732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172 (or 12167 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5685732 is about 2384.4773012130. The cubic root of 5685732 is about 178.4824265354.

The spelling of 5685732 in words is "five million, six hundred eighty-five thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 12149 24298 36447 48596 72894 109341 145788 157937 218682 315874 437364 473811 631748 947622 1421433 1895244 2842866 5685732