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755305 = 5295209
BaseRepresentation
bin10111000011001101001
31102101002021
42320121221
5143132210
624104441
76264025
oct2703151
91371067
10755305
11476521
12305121
13205a35
14159385
15edbda
hexb8669

755305 has 8 divisors (see below), whose sum is σ = 937800. Its totient is φ = 583296.

The previous prime is 755273. The next prime is 755309. The reversal of 755305 is 503557.

It is a happy number.

755305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 281961 + 473344 = 531^2 + 688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 755305 - 25 = 755273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 755305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2460 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (117225).

2755305 is an apocalyptic number.

It is an amenable number.

755305 is a deficient number, since it is larger than the sum of its proper divisors (182495).

755305 is a wasteful number, since it uses less digits than its factorization.

755305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 755305 is about 869.0828499056. The cubic root of 755305 is about 91.0697448655.

The spelling of 755305 in words is "seven hundred fifty-five thousand, three hundred five".

Divisors: 1 5 29 145 5209 26045 151061 755305