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525272 = 231147127
BaseRepresentation
bin10000000001111011000
3222200112112
42000033120
5113302042
615131452
74315256
oct2001730
9880475
10525272
11329710
12213b88
13155117
14d95d6
15a5982
hex803d8

525272 has 32 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 231840.

The previous prime is 525257. The next prime is 525299. The reversal of 525272 is 272525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2525272 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 525272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552960).

525272 is an abundant number, since it is smaller than the sum of its proper divisors (580648).

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

525272 is a wasteful number, since it uses less digits than its factorization.

525272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 187 counting only the distinct ones).

The product of its digits is 1400, while the sum is 23.

The square root of 525272 is about 724.7565108366. The cubic root of 525272 is about 80.6853617242.

Adding to 525272 its reverse (272525), we get a palindrome (797797).

It can be divided in two parts, 525 and 272, that added together give a palindrome (797).

The spelling of 525272 in words is "five hundred twenty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 47 88 94 127 188 254 376 508 517 1016 1034 1397 2068 2794 4136 5588 5969 11176 11938 23876 47752 65659 131318 262636 525272