Base | Representation |
---|---|
bin | 111001010111… |
… | …1000100100111 |
3 | 2002121002012020 |
4 | 1302233010213 |
5 | 30144432343 |
6 | 2552354223 |
7 | 513436461 |
oct | 162570447 |
9 | 62532166 |
10 | 30077223 |
11 | 15a83510 |
12 | a0a5973 |
13 | 6301197 |
14 | 3dcd131 |
15 | 2991b83 |
hex | 1caf127 |
30077223 has 16 divisors (see below), whose sum is σ = 45161472. Its totient is φ = 17640000.
The previous prime is 30077221. The next prime is 30077269. The reversal of 30077223 is 32277003.
It is not a de Polignac number, because 30077223 - 21 = 30077221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30077193 and 30077202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30077221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13678 + ... + 15723.
It is an arithmetic number, because the mean of its divisors is an integer number (2822592).
Almost surely, 230077223 is an apocalyptic number.
30077223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30077223 is a deficient number, since it is larger than the sum of its proper divisors (15084249).
30077223 is a wasteful number, since it uses less digits than its factorization.
30077223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29446.
The product of its (nonzero) digits is 1764, while the sum is 24.
The square root of 30077223 is about 5484.2705075516. The cubic root of 30077223 is about 310.9896330674.
The spelling of 30077223 in words is "thirty million, seventy-seven thousand, two hundred twenty-three".
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