Base | Representation |
---|---|
bin | 111001100110… |
… | …0111001100011 |
3 | 2002211021210010 |
4 | 1303030321203 |
5 | 30212340040 |
6 | 2555140003 |
7 | 514455612 |
oct | 163147143 |
9 | 62737703 |
10 | 30199395 |
11 | 16057286 |
12 | a144603 |
13 | 6344985 |
14 | 4021879 |
15 | 29b7e80 |
hex | 1ccce63 |
30199395 has 16 divisors (see below), whose sum is σ = 51161760. Its totient is φ = 15158784.
The previous prime is 30199387. The next prime is 30199397. The reversal of 30199395 is 59399103.
It is not a de Polignac number, because 30199395 - 23 = 30199387 is a prime.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (30199397) 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, 58960 + ... + 59469.
It is an arithmetic number, because the mean of its divisors is an integer number (3197610).
Almost surely, 230199395 is an apocalyptic number.
30199395 is a deficient number, since it is larger than the sum of its proper divisors (20962365).
30199395 is a wasteful number, since it uses less digits than its factorization.
30199395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118454.
The product of its (nonzero) digits is 32805, while the sum is 39.
The square root of 30199395 is about 5495.3976198270. The cubic root of 30199395 is about 311.4101383974.
The spelling of 30199395 in words is "thirty million, one hundred ninety-nine thousand, three hundred ninety-five".
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