Base | Representation |
---|---|
bin | 111001101011… |
… | …1011010011000 |
3 | 2002220110211222 |
4 | 1303113122120 |
5 | 30220224311 |
6 | 3000111212 |
7 | 515025266 |
oct | 163273230 |
9 | 62813758 |
10 | 30242456 |
11 | 16086672 |
12 | a165508 |
13 | 635b45a |
14 | 4033436 |
15 | 29c5adb |
hex | 1cd7698 |
30242456 has 32 divisors (see below), whose sum is σ = 61074000. Its totient is φ = 13986816.
The previous prime is 30242449. The next prime is 30242491. The reversal of 30242456 is 65424203.
It is a super-2 number, since 2×302424562 = 1829212289823872, which contains 22 as substring.
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, 6140 + ... + 9908.
Almost surely, 230242456 is an apocalyptic number.
It is an amenable number.
30242456 is an abundant number, since it is smaller than the sum of its proper divisors (30831544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30242456 is a wasteful number, since it uses less digits than its factorization.
30242456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3851 (or 3847 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 30242456 is about 5499.3141390541. The cubic root of 30242456 is about 311.5580802515.
Adding to 30242456 its reverse (65424203), we get a palindrome (95666659).
The spelling of 30242456 in words is "thirty million, two hundred forty-two thousand, four hundred fifty-six".
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