Base | Representation |
---|---|
bin | 111010010001… |
… | …1100010000010 |
3 | 2010111022112121 |
4 | 1310203202002 |
5 | 30310213432 |
6 | 3010514454 |
7 | 520464265 |
oct | 164434202 |
9 | 63438477 |
10 | 30554242 |
11 | 16279944 |
12 | a295a2a |
13 | 643a344 |
14 | 40b4cdc |
15 | 2a38197 |
hex | 1d23882 |
30554242 has 8 divisors (see below), whose sum is σ = 48243600. Its totient is φ = 14473044.
The previous prime is 30554233. The next prime is 30554243. The reversal of 30554242 is 24245503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30554243) 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, 401992 + ... + 402067.
It is an arithmetic number, because the mean of its divisors is an integer number (6030450).
Almost surely, 230554242 is an apocalyptic number.
30554242 is a deficient number, since it is larger than the sum of its proper divisors (17689358).
30554242 is a wasteful number, since it uses less digits than its factorization.
30554242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804080.
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 30554242 is about 5527.5891670782. The cubic root of 30554242 is about 312.6250959432.
Adding to 30554242 its reverse (24245503), we get a palindrome (54799745).
The spelling of 30554242 in words is "thirty million, five hundred fifty-four thousand, two hundred forty-two".
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