Base | Representation |
---|---|
bin | 111001101100… |
… | …0001101001110 |
3 | 2002220122022111 |
4 | 1303120031032 |
5 | 30220330320 |
6 | 3000134234 |
7 | 515040625 |
oct | 163301516 |
9 | 62818274 |
10 | 30245710 |
11 | 16089060 |
12 | a16737a |
13 | 635ca91 |
14 | 40346bc |
15 | 29c6a5a |
hex | 1cd834e |
30245710 has 16 divisors (see below), whose sum is σ = 59391792. Its totient is φ = 10998400.
The previous prime is 30245681. The next prime is 30245711. The reversal of 30245710 is 1754203.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30245711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137371 + ... + 137590.
It is an arithmetic number, because the mean of its divisors is an integer number (3711987).
Almost surely, 230245710 is an apocalyptic number.
30245710 is a deficient number, since it is larger than the sum of its proper divisors (29146082).
30245710 is a wasteful number, since it uses less digits than its factorization.
30245710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274979.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 30245710 is about 5499.6099861717. The cubic root of 30245710 is about 311.5692540974.
Adding to 30245710 its reverse (1754203), we get a palindrome (31999913).
The spelling of 30245710 in words is "thirty million, two hundred forty-five thousand, seven hundred ten".
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