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1031012 = 221132281
BaseRepresentation
bin11111011101101100100
31221101021122
43323231210
5230443022
634033112
711522603
oct3735544
91841248
101031012
11644684
12418798
132a1388
141cba3a
15155742
hexfbb64

1031012 has 12 divisors (see below), whose sum is σ = 1821036. Its totient is φ = 510720.

The previous prime is 1031003. The next prime is 1031047. The reversal of 1031012 is 2101301.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 784996 = 496^2 + 886^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (151753).

21031012 is an apocalyptic number.

It is an amenable number.

1031012 is a deficient number, since it is larger than the sum of its proper divisors (790024).

1031012 is a wasteful number, since it uses less digits than its factorization.

1031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1031012 is about 1015.3876107182. The cubic root of 1031012 is about 101.0232276741.

Adding to 1031012 its reverse (2101301), we get a palindrome (3132313).

The spelling of 1031012 in words is "one million, thirty-one thousand, twelve".

Divisors: 1 2 4 113 226 452 2281 4562 9124 257753 515506 1031012