Search a number
-
+
755320 = 23523821
BaseRepresentation
bin10111000011001111000
31102101002211
42320121320
5143132240
624104504
76264046
oct2703170
91371084
10755320
11476535
12305134
13205a47
14159396
15edbea
hexb8678

755320 has 32 divisors (see below), whose sum is σ = 1775520. Its totient is φ = 288640.

The previous prime is 755317. The next prime is 755329. The reversal of 755320 is 23557.

755320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 755291 and 755300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755329) 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, 510 + ... + 1330.

It is an arithmetic number, because the mean of its divisors is an integer number (55485).

2755320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887760).

755320 is an abundant number, since it is smaller than the sum of its proper divisors (1020200).

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

755320 is a wasteful number, since it uses less digits than its factorization.

755320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 755320 is about 869.0914796499. The cubic root of 755320 is about 91.0703477289.

Adding to 755320 its reverse (23557), we get a palindrome (778877).

The spelling of 755320 in words is "seven hundred fifty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 821 920 1642 3284 4105 6568 8210 16420 18883 32840 37766 75532 94415 151064 188830 377660 755320