Base | Representation |
---|---|
bin | 111010110101… |
… | …0111110001010 |
3 | 2011001011221020 |
4 | 1311222332022 |
5 | 30344044413 |
6 | 3021053310 |
7 | 523123350 |
oct | 165527612 |
9 | 64034836 |
10 | 30846858 |
11 | 16459779 |
12 | a3b7236 |
13 | 65105a3 |
14 | 414d7d0 |
15 | 2a94c23 |
hex | 1d6af8a |
30846858 has 24 divisors (see below), whose sum is σ = 70589472. Its totient is φ = 8803104.
The previous prime is 30846833. The next prime is 30846859. The reversal of 30846858 is 85864803.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (30846859) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35566 + ... + 36422.
It is an arithmetic number, because the mean of its divisors is an integer number (2941228).
Almost surely, 230846858 is an apocalyptic number.
30846858 is an abundant number, since it is smaller than the sum of its proper divisors (39742614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30846858 is an frugal number, since it uses more digits than its factorization.
30846858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1726 (or 869 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 42.
The square root of 30846858 is about 5553.9947785355. The cubic root of 30846858 is about 313.6199236461.
Multiplying 30846858 by its sum of digits (42), we get a square (1295568036 = 359942).
30846858 divided by its sum of digits (42) gives a square (734449 = 8572).
The spelling of 30846858 in words is "thirty million, eight hundred forty-six thousand, eight hundred fifty-eight".
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