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1028216796 = 22385684733
BaseRepresentation
bin111101010010010…
…101011111011100
32122122202211021120
4331102111133130
54101210414141
6250010130540
734323461415
oct7522253734
92578684246
101028216796
11488446552
12248420a50
13135039609
149a7b480c
1560406c66
hex3d4957dc

1028216796 has 12 divisors (see below), whose sum is σ = 2399172552. Its totient is φ = 342738928.

The previous prime is 1028216743. The next prime is 1028216807. The reversal of 1028216796 is 6976128201.

It is a tau number, because it is divible by the number of its divisors (12).

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, 42842355 + ... + 42842378.

It is an arithmetic number, because the mean of its divisors is an integer number (199931046).

Almost surely, 21028216796 is an apocalyptic number.

It is an amenable number.

1028216796 is an abundant number, since it is smaller than the sum of its proper divisors (1370955756).

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

1028216796 is a wasteful number, since it uses less digits than its factorization.

1028216796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85684740 (or 85684738 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1028216796 is about 32065.8197462656. The cubic root of 1028216796 is about 1009.3184946032.

The spelling of 1028216796 in words is "one billion, twenty-eight million, two hundred sixteen thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 85684733 171369466 257054199 342738932 514108398 1028216796