Base | Representation |
---|---|
bin | 111001101111… |
… | …1000111000001 |
3 | 2002222002002201 |
4 | 1303133013001 |
5 | 30222231420 |
6 | 3000513201 |
7 | 515216230 |
oct | 163370701 |
9 | 62862081 |
10 | 30273985 |
11 | 160a8325 |
12 | a17b801 |
13 | 636c901 |
14 | 4040b17 |
15 | 29d010a |
hex | 1cdf1c1 |
30273985 has 16 divisors (see below), whose sum is σ = 42048000. Its totient is φ = 20494656.
The previous prime is 30273979. The next prime is 30274009. The reversal of 30273985 is 58937203.
It is not a de Polignac number, because 30273985 - 27 = 30273857 is a prime.
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, 2710 + ... + 8239.
It is an arithmetic number, because the mean of its divisors is an integer number (2628000).
Almost surely, 230273985 is an apocalyptic number.
30273985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30273985 is a deficient number, since it is larger than the sum of its proper divisors (11774015).
30273985 is a wasteful number, since it uses less digits than its factorization.
30273985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11040.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 30273985 is about 5502.1800225002. The cubic root of 30273985 is about 311.6663133374. Note that the first 3 decimals are identical.
The spelling of 30273985 in words is "thirty million, two hundred seventy-three thousand, nine hundred eighty-five".
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