Base | Representation |
---|---|
bin | 111010101000… |
… | …0111100011110 |
3 | 2010211202200221 |
4 | 1311100330132 |
5 | 30332142004 |
6 | 3014511554 |
7 | 522200506 |
oct | 165207436 |
9 | 63752627 |
10 | 30740254 |
11 | 16396676 |
12 | a3655ba |
13 | 64a3bcc |
14 | 4122a06 |
15 | 2a73354 |
hex | 1d50f1e |
30740254 has 8 divisors (see below), whose sum is σ = 46136088. Its totient is φ = 15361560.
The previous prime is 30740219. The next prime is 30740257. The reversal of 30740254 is 45204703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30740257) 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, 2109 + ... + 8119.
It is an arithmetic number, because the mean of its divisors is an integer number (5767011).
Almost surely, 230740254 is an apocalyptic number.
30740254 is a deficient number, since it is larger than the sum of its proper divisors (15395834).
30740254 is a wasteful number, since it uses less digits than its factorization.
30740254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8570.
The product of its (nonzero) digits is 3360, while the sum is 25.
The square root of 30740254 is about 5544.3894163379. The cubic root of 30740254 is about 313.2582257984.
Adding to 30740254 its reverse (45204703), we get a palindrome (75944957).
The spelling of 30740254 in words is "thirty million, seven hundred forty thousand, two hundred fifty-four".
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