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1028273944 = 23128534243
BaseRepresentation
bin111101010010100…
…011011100011000
32122122212201200011
4331102203130120
54101214231234
6250011251304
734324120135
oct7522433430
92578781604
101028273944
11488485485
12248449b34
13135059629
149a7cb58c
1560418b64
hex3d4a3718

1028273944 has 8 divisors (see below), whose sum is σ = 1928013660. Its totient is φ = 514136968.

The previous prime is 1028273893. The next prime is 1028273957. The reversal of 1028273944 is 4493728201.

1028273944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1028273897 and 1028273906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64267114 + ... + 64267129.

Almost surely, 21028273944 is an apocalyptic number.

It is an amenable number.

1028273944 is a deficient number, since it is larger than the sum of its proper divisors (899739716).

1028273944 is a wasteful number, since it uses less digits than its factorization.

1028273944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128534249 (or 128534245 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1028273944 is about 32066.7108385004. The cubic root of 1028273944 is about 1009.3371934694.

The spelling of 1028273944 in words is "one billion, twenty-eight million, two hundred seventy-three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 128534243 257068486 514136972 1028273944