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1031996 = 22736857
BaseRepresentation
bin11111011111100111100
31221102122002
43323330330
5231010441
634041432
711525510
oct3737474
91842562
101031996
11645399
12419278
132a1964
141cc140
15155b9b
hexfbf3c

1031996 has 12 divisors (see below), whose sum is σ = 2064048. Its totient is φ = 442272.

The previous prime is 1031981. The next prime is 1031999. The reversal of 1031996 is 6991301.

1031996 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18401 + ... + 18456.

It is an arithmetic number, because the mean of its divisors is an integer number (172004).

21031996 is an apocalyptic number.

It is an amenable number.

1031996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1031996 is a wasteful number, since it uses less digits than its factorization.

1031996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868 (or 36866 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1031996 is about 1015.8720391860. The cubic root of 1031996 is about 101.0553563814.

The spelling of 1031996 in words is "one million, thirty-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 36857 73714 147428 257999 515998 1031996