Base | Representation |
---|---|
bin | 111001111000… |
… | …0100011110000 |
3 | 2010002201010210 |
4 | 1303300203300 |
5 | 30232023311 |
6 | 3002224120 |
7 | 515634501 |
oct | 163604360 |
9 | 63081123 |
10 | 30345456 |
11 | 16146a99 |
12 | a1b5040 |
13 | 63962bb |
14 | 405cba8 |
15 | 29e63a6 |
hex | 1cf08f0 |
30345456 has 40 divisors (see below), whose sum is σ = 80066304. Its totient is φ = 9899200.
The previous prime is 30345437. The next prime is 30345463. The reversal of 30345456 is 65454303.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470 + ... + 8981.
Almost surely, 230345456 is an apocalyptic number.
It is an amenable number.
30345456 is an abundant number, since it is smaller than the sum of its proper divisors (49720848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30345456 is a wasteful number, since it uses less digits than its factorization.
30345456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13509 (or 13503 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 30.
The square root of 30345456 is about 5508.6709830957. The cubic root of 30345456 is about 311.9113818010.
Adding to 30345456 its reverse (65454303), we get a palindrome (95799759).
The spelling of 30345456 in words is "thirty million, three hundred forty-five thousand, four hundred fifty-six".
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