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531248 = 2433203
BaseRepresentation
bin10000001101100110000
3222222201212
42001230300
5113444443
615215252
74341554
oct2015460
9888655
10531248
11333153
12217528
13157a63
14db864
15a7618
hex81b30

531248 has 10 divisors (see below), whose sum is σ = 1029324. Its totient is φ = 265616.

The previous prime is 531239. The next prime is 531253. The reversal of 531248 is 842135.

It is a nialpdrome in base 9 and base 14.

It is an unprimeable number.

531248 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 16586 + ... + 16617.

2531248 is an apocalyptic number.

It is an amenable number.

531248 is a deficient number, since it is larger than the sum of its proper divisors (498076).

531248 is a wasteful number, since it uses less digits than its factorization.

531248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33211 (or 33205 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 531248 is about 728.8676148657. The cubic root of 531248 is about 80.9901933969.

The spelling of 531248 in words is "five hundred thirty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 33203 66406 132812 265624 531248