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266752 = 29521
BaseRepresentation
bin1000001001000000000
3111112220201
41001020000
532014002
65414544
72160463
oct1011000
9445821
10266752
11172462
1210a454
1394555
146d2da
1554087
hex41200

266752 has 20 divisors (see below), whose sum is σ = 534006. Its totient is φ = 133120.

The previous prime is 266719. The next prime is 266759. The reversal of 266752 is 257662.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 20736 = 496^2 + 144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266752.

It is not an unprimeable number, because it can be changed into a prime (266759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252 + ... + 772.

2266752 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 266752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267003).

266752 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266752 is an frugal number, since it uses more digits than its factorization.

266752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 523 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 266752 is about 516.4803965302. The cubic root of 266752 is about 64.3728239438.

The spelling of 266752 in words is "two hundred sixty-six thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 521 1042 2084 4168 8336 16672 33344 66688 133376 266752