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1031442112 = 2673220771
BaseRepresentation
bin111101011110101…
…000111011000000
32122212211200120201
4331132220323000
54103022121422
6250203214544
734363053601
oct7536507300
92585750521
101031442112
1148a2497a8
12249517454
131358c869c
149adb3da8
1560842727
hex3d7a8ec0

1031442112 has 28 divisors (see below), whose sum is σ = 2074815256. Its totient is φ = 508654080.

The previous prime is 1031442077. The next prime is 1031442121. The reversal of 1031442112 is 2112441301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031442112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105714 + ... + 115057.

Almost surely, 21031442112 is an apocalyptic number.

It is an amenable number.

1031442112 is an abundant number, since it is smaller than the sum of its proper divisors (1043373144).

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

1031442112 is an equidigital number, since it uses as much as digits as its factorization.

1031442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220856 (or 220846 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1031442112 is about 32116.0724871520. The cubic root of 1031442112 is about 1010.3727382867.

Adding to 1031442112 its reverse (2112441301), we get a palindrome (3143883413).

The spelling of 1031442112 in words is "one billion, thirty-one million, four hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 73 146 292 584 1168 2336 4672 220771 441542 883084 1766168 3532336 7064672 14129344 16116283 32232566 64465132 128930264 257860528 515721056 1031442112