Base | Representation |
---|---|
bin | 111001001110… |
… | …0110011111101 |
3 | 2002110021121002 |
4 | 1302130303331 |
5 | 30140034204 |
6 | 2551020045 |
7 | 513005432 |
oct | 162346375 |
9 | 62407532 |
10 | 30002429 |
11 | 15a322a6 |
12 | a06a625 |
13 | 62a6122 |
14 | 3dadb89 |
15 | 297991e |
hex | 1c9ccfd |
30002429 has 4 divisors (see below), whose sum is σ = 30158076. Its totient is φ = 29846784.
The previous prime is 30002411. The next prime is 30002431. The reversal of 30002429 is 92420003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6943225 + 23059204 = 2635^2 + 4802^2 .
It is a cyclic number.
It is not a de Polignac number, because 30002429 - 224 = 13225213 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30002429.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30002029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77534 + ... + 77919.
It is an arithmetic number, because the mean of its divisors is an integer number (7539519).
Almost surely, 230002429 is an apocalyptic number.
It is an amenable number.
30002429 is a deficient number, since it is larger than the sum of its proper divisors (155647).
30002429 is a wasteful number, since it uses less digits than its factorization.
30002429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155646.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 30002429 is about 5477.4473069122. The cubic root of 30002429 is about 310.7316364444.
The spelling of 30002429 in words is "thirty million, two thousand, four hundred twenty-nine".
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