Base | Representation |
---|---|
bin | 111001011111… |
… | …1100011011111 |
3 | 2002201111210200 |
4 | 1302333203133 |
5 | 30204112420 |
6 | 2554034543 |
7 | 514140345 |
oct | 162774337 |
9 | 62644720 |
10 | 30144735 |
11 | 1601a205 |
12 | a118a53 |
13 | 6325b2a |
14 | 4009995 |
15 | 29a6b90 |
hex | 1cbf8df |
30144735 has 24 divisors (see below), whose sum is σ = 55002480. Its totient is φ = 15230592.
The previous prime is 30144727. The next prime is 30144749. The reversal of 30144735 is 53744103.
It is not a de Polignac number, because 30144735 - 23 = 30144727 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30144699 and 30144708.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16774 + ... + 18483.
It is an arithmetic number, because the mean of its divisors is an integer number (2291770).
Almost surely, 230144735 is an apocalyptic number.
30144735 is a deficient number, since it is larger than the sum of its proper divisors (24857745).
30144735 is a wasteful number, since it uses less digits than its factorization.
30144735 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35287 (or 35284 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 30144735 is about 5490.4221149198. The cubic root of 30144735 is about 311.2221439240. Note that the first 3 decimals are identical.
Adding to 30144735 its reverse (53744103), we get a palindrome (83888838).
The spelling of 30144735 in words is "thirty million, one hundred forty-four thousand, seven hundred thirty-five".
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