Base | Representation |
---|---|
bin | 1000001000010… |
… | …10011001011100 |
3 | 11202022220211222 |
4 | 10010022121130 |
5 | 114424400103 |
6 | 10433432512 |
7 | 1455455621 |
oct | 404123134 |
9 | 152286758 |
10 | 68200028 |
11 | 35551766 |
12 | 1aa0b738 |
13 | 1118b460 |
14 | 90b4348 |
15 | 5ec2638 |
hex | 410a65c |
68200028 has 24 divisors (see below), whose sum is σ = 132008352. Its totient is φ = 30625344.
The previous prime is 68200009. The next prime is 68200043. The reversal of 68200028 is 82000286.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15800 + ... + 19647.
It is an arithmetic number, because the mean of its divisors is an integer number (5500348).
Almost surely, 268200028 is an apocalyptic number.
It is an amenable number.
68200028 is a deficient number, since it is larger than the sum of its proper divisors (63808324).
68200028 is a wasteful number, since it uses less digits than its factorization.
68200028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35501 (or 35499 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 68200028 is about 8258.3308240830. The cubic root of 68200028 is about 408.5653366936.
The spelling of 68200028 in words is "sixty-eight million, two hundred thousand, twenty-eight".
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