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1028358063 = 321011131307
BaseRepresentation
bin111101010010110…
…111111110101111
32122200001000001200
4331102313332233
54101224424223
6250013140543
734324620315
oct7522677657
92580030050
101028358063
114885326a7
1224848a753
131350889c5
149a8100b5
1560433a43
hex3d4b7faf

1028358063 has 12 divisors (see below), whose sum is σ = 1500114408. Its totient is φ = 678783600.

The previous prime is 1028358059. The next prime is 1028358091. The reversal of 1028358063 is 3608538201.

1028358063 is a `hidden beast` number, since 10 + 2 + 8 + 3 + 580 + 63 = 666.

It is not a de Polignac number, because 1028358063 - 22 = 1028358059 is a prime.

It is a super-2 number, since 2×10283580632 = 2115040611474223938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028358263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564745 + ... + 566562.

It is an arithmetic number, because the mean of its divisors is an integer number (125009534).

Almost surely, 21028358063 is an apocalyptic number.

1028358063 is a deficient number, since it is larger than the sum of its proper divisors (471756345).

1028358063 is a wasteful number, since it uses less digits than its factorization.

1028358063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131414 (or 1131411 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1028358063 is about 32068.0224366892. The cubic root of 1028358063 is about 1009.3647160055.

The spelling of 1028358063 in words is "one billion, twenty-eight million, three hundred fifty-eight thousand, sixty-three".

Divisors: 1 3 9 101 303 909 1131307 3393921 10181763 114262007 342786021 1028358063