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806012892 = 2232291973919
BaseRepresentation
bin110000000010101…
…100011111011100
32002011122200211100
4300002230133130
53122314403032
6211551353100
725654665546
oct6002543734
92064580740
10806012892
11383a78463
121a5b22790
13caca9a09
1479092696
154ab6397c
hex300ac7dc

806012892 has 72 divisors (see below), whose sum is σ = 2118916800. Its totient is φ = 258023808.

The previous prime is 806012887. The next prime is 806012953. The reversal of 806012892 is 298210608.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203709 + ... + 207627.

It is an arithmetic number, because the mean of its divisors is an integer number (29429400).

Almost surely, 2806012892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806012892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059458400).

806012892 is an abundant number, since it is smaller than the sum of its proper divisors (1312903908).

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

806012892 is a wasteful number, since it uses less digits than its factorization.

806012892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 806012892 is about 28390.3661829149. The cubic root of 806012892 is about 930.6377450169.

The spelling of 806012892 in words is "eight hundred six million, twelve thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 197 261 348 394 522 591 788 1044 1182 1773 2364 3546 3919 5713 7092 7838 11426 11757 15676 17139 22852 23514 34278 35271 47028 51417 68556 70542 102834 113651 141084 205668 227302 340953 454604 681906 772043 1022859 1363812 1544086 2045718 2316129 3088172 4091436 4632258 6948387 9264516 13896774 22389247 27793548 44778494 67167741 89556988 134335482 201503223 268670964 403006446 806012892