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1028285282 = 21927060139
BaseRepresentation
bin111101010010100…
…110001101100010
32122122220022020002
4331102212031202
54101220112112
6250011420002
734324165163
oct7522461542
92578808202
101028285282
11488492a52
12248454602
1313506183b
149a7d176a
156041c1c2
hex3d4a6362

1028285282 has 8 divisors (see below), whose sum is σ = 1623608400. Its totient is φ = 487082484.

The previous prime is 1028285249. The next prime is 1028285287. The reversal of 1028285282 is 2825828201.

1028285282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 27060139 = 1028285282 / (1 + 0 + 2 + 8 + 2 + 8 + 5 + 2 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (1028285287) 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, 13530032 + ... + 13530107.

It is an arithmetic number, because the mean of its divisors is an integer number (202951050).

Almost surely, 21028285282 is an apocalyptic number.

1028285282 is a deficient number, since it is larger than the sum of its proper divisors (595323118).

1028285282 is a wasteful number, since it uses less digits than its factorization.

1028285282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060160.

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 1028285282 is about 32066.8876257114. The cubic root of 1028285282 is about 1009.3409031887.

The spelling of 1028285282 in words is "one billion, twenty-eight million, two hundred eighty-five thousand, two hundred eighty-two".

Divisors: 1 2 19 38 27060139 54120278 514142641 1028285282