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806930 = 251931137
BaseRepresentation
bin11000101000000010010
31111222220022
43011000102
5201310210
625143442
76600365
oct3050022
91458808
10806930
11501293
1232ab82
13223397
141700dc
1510e155
hexc5012

806930 has 32 divisors (see below), whose sum is σ = 1589760. Its totient is φ = 293760.

The previous prime is 806929. The next prime is 806941. The reversal of 806930 is 39608.

It is a happy number.

It is a super-2 number, since 2×8069302 = 1302272049800, which contains 22 as substring.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 806930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5822 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (49680).

2806930 is an apocalyptic number.

806930 is a deficient number, since it is larger than the sum of its proper divisors (782830).

806930 is a wasteful number, since it uses less digits than its factorization.

806930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 806930 is about 898.2928253081. The cubic root of 806930 is about 93.0990581315.

The spelling of 806930 in words is "eight hundred six thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 31 38 62 95 137 155 190 274 310 589 685 1178 1370 2603 2945 4247 5206 5890 8494 13015 21235 26030 42470 80693 161386 403465 806930