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3085861428 = 2233132197907
BaseRepresentation
bin1011011111101110…
…1000001000110100
321222001121000002000
42313323220020310
522304440031203
61230112415300
7136320250356
oct26773501064
97861530060
103085861428
111343985401
12721547530
133a2417810
14213b970d6
15130da44a3
hexb7ee8234

3085861428 has 48 divisors (see below), whose sum is σ = 8615799360. Its totient is φ = 949495392.

The previous prime is 3085861349. The next prime is 3085861481. The reversal of 3085861428 is 8241685803.

3085861428 is a `hidden beast` number, since 3 + 0 + 8 + 5 + 8 + 614 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097550 + ... + 1100357.

It is an arithmetic number, because the mean of its divisors is an integer number (179495820).

Almost surely, 23085861428 is an apocalyptic number.

It is an amenable number.

3085861428 is an abundant number, since it is smaller than the sum of its proper divisors (5529937932).

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

3085861428 is a wasteful number, since it uses less digits than its factorization.

3085861428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197933 (or 2197925 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 3085861428 is about 55550.5304025083. The cubic root of 3085861428 is about 1455.8796423928.

The spelling of 3085861428 in words is "three billion, eighty-five million, eight hundred sixty-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 351 468 702 1404 2197907 4395814 6593721 8791628 13187442 19781163 26374884 28572791 39562326 57145582 59343489 79124652 85718373 114291164 118686978 171436746 237373956 257155119 342873492 514310238 771465357 1028620476 1542930714 3085861428