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1020322112 = 2661261353
BaseRepresentation
bin111100110100001…
…110000101000000
32122002220201210212
4330310032011000
54042200301422
6245125013252
734166411015
oct7464160500
92562821725
101020322112
11483a44117
12245854228
131335040c4
149971b70c
155e8979e2
hex3cd0e140

1020322112 has 28 divisors (see below), whose sum is σ = 2057901396. Its totient is φ = 501795840.

The previous prime is 1020322063. The next prime is 1020322141. The reversal of 1020322112 is 2112230201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198697216 + 821624896 = 14096^2 + 28664^2 .

It is a super-2 number, since 2×10203221122 = 2082114424472281088, which contains 22 as substring.

It is a congruent number.

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, 126773 + ... + 134580.

Almost surely, 21020322112 is an apocalyptic number.

It is an amenable number.

1020322112 is an abundant number, since it is smaller than the sum of its proper divisors (1037579284).

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

1020322112 is an equidigital number, since it uses as much as digits as its factorization.

1020322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261426 (or 261416 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020322112 is about 31942.4813062480. The cubic root of 1020322112 is about 1006.7286609093.

Adding to 1020322112 its reverse (2112230201), we get a palindrome (3132552313).

The spelling of 1020322112 in words is "one billion, twenty million, three hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 61 64 122 244 488 976 1952 3904 261353 522706 1045412 2090824 4181648 8363296 15942533 16726592 31885066 63770132 127540264 255080528 510161056 1020322112