Base | Representation |
---|---|
bin | 10010001101001… |
… | …101001111111110 |
3 | 210021202120102011 |
4 | 102031031033332 |
5 | 1111143431110 |
6 | 50150521434 |
7 | 10366204462 |
oct | 2215151776 |
9 | 707676364 |
10 | 305452030 |
11 | 1474686a4 |
12 | 8636627a |
13 | 4b389560 |
14 | 2c7d24a2 |
15 | 1bc3948a |
hex | 1234d3fe |
305452030 has 32 divisors (see below), whose sum is σ = 598235904. Its totient is φ = 111614976.
The previous prime is 305452019. The next prime is 305452031. The reversal of 305452030 is 30254503.
305452030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×3054520302 = 186601885262241800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 305451992 and 305452010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305452031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 24721.
It is an arithmetic number, because the mean of its divisors is an integer number (18694872).
Almost surely, 2305452030 is an apocalyptic number.
305452030 is a deficient number, since it is larger than the sum of its proper divisors (292783874).
305452030 is a wasteful number, since it uses less digits than its factorization.
305452030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24340.
The product of its (nonzero) digits is 1800, while the sum is 22.
The square root of 305452030 is about 17477.1859863080. The cubic root of 305452030 is about 673.4639272776.
The spelling of 305452030 in words is "three hundred five million, four hundred fifty-two thousand, thirty".
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