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1028285968 = 2464267873
BaseRepresentation
bin111101010010100…
…110011000010000
32122122220100011111
4331102212120100
54101220122333
6250011423104
734324200163
oct7522463020
92578810144
101028285968
11488493516
12248454a94
13135061c48
149a7d1ada
156041c4cd
hex3d4a6610

1028285968 has 10 divisors (see below), whose sum is σ = 1992304094. Its totient is φ = 514142976.

The previous prime is 1028285959. The next prime is 1028285983. The reversal of 1028285968 is 8695828201.

It can be written as a sum of positive squares in only one way, i.e., 917362944 + 110923024 = 30288^2 + 10532^2 .

It is a super-4 number, since 4×10282859684 (a number of 37 digits) contains 4444 as substring.

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 as a sum of consecutive naturals, namely, 32133921 + ... + 32133952.

Almost surely, 21028285968 is an apocalyptic number.

It is an amenable number.

1028285968 is a deficient number, since it is larger than the sum of its proper divisors (964018126).

1028285968 is an equidigital number, since it uses as much as digits as its factorization.

1028285968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64267881 (or 64267875 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 1028285968 is about 32066.8983221016. The cubic root of 1028285968 is about 1009.3411276425.

The spelling of 1028285968 in words is "one billion, twenty-eight million, two hundred eighty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 64267873 128535746 257071492 514142984 1028285968