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525712 = 241129103
BaseRepresentation
bin10000000010110010000
3222201010211
42000112100
5113310322
615133504
74316455
oct2002620
9881124
10525712
11329a80
12214294
13155395
14d982c
15a5b77
hex80590

525712 has 40 divisors (see below), whose sum is σ = 1160640. Its totient is φ = 228480.

The previous prime is 525709. The next prime is 525713. The reversal of 525712 is 217525.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2525712 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 525712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580320).

525712 is an abundant number, since it is smaller than the sum of its proper divisors (634928).

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

525712 is a wasteful number, since it uses less digits than its factorization.

525712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 145 counting only the distinct ones).

The product of its digits is 700, while the sum is 22.

The square root of 525712 is about 725.0599975174. The cubic root of 525712 is about 80.7078844369.

The spelling of 525712 in words is "five hundred twenty-five thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 103 116 176 206 232 319 412 464 638 824 1133 1276 1648 2266 2552 2987 4532 5104 5974 9064 11948 18128 23896 32857 47792 65714 131428 262856 525712