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527449 = 1323121
BaseRepresentation
bin10000000110001011001
3222210112011
42000301121
5113334244
615145521
74324516
oct2006131
9883464
10527449
1133030a
122152a1
13156100
14da30d
15a6434
hex80c59

527449 has 6 divisors (see below), whose sum is σ = 571326. Its totient is φ = 486720.

The previous prime is 527447. The next prime is 527453. The reversal of 527449 is 944725.

It can be written as a sum of positive squares in 3 ways, for example, as 71824 + 455625 = 268^2 + 675^2 .

It is not a de Polignac number, because 527449 - 21 = 527447 is a prime.

It is a d-powerful number, because it can be written as 55 + 219 + 4 + 7 + 42 + 9 .

It is a Duffinian number.

527449 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 527449.

It is not an unprimeable number, because it can be changed into a prime (527441) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1392 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (95221).

2527449 is an apocalyptic number.

It is an amenable number.

527449 is a deficient number, since it is larger than the sum of its proper divisors (43877).

527449 is a wasteful number, since it uses less digits than its factorization.

527449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3134 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 527449 is about 726.2568416201. The cubic root of 527449 is about 80.7966754342.

The spelling of 527449 in words is "five hundred twenty-seven thousand, four hundred forty-nine".

Divisors: 1 13 169 3121 40573 527449