Base | Representation |
---|---|
bin | 111001101011… |
… | …1101111001100 |
3 | 2002220112200022 |
4 | 1303113233030 |
5 | 30220300123 |
6 | 3000121312 |
7 | 515032211 |
oct | 163275714 |
9 | 62815608 |
10 | 30243788 |
11 | 16087673 |
12 | a166238 |
13 | 635bc43 |
14 | 4033b08 |
15 | 29c61c8 |
hex | 1cd7bcc |
30243788 has 6 divisors (see below), whose sum is σ = 52926636. Its totient is φ = 15121892.
The previous prime is 30243769. The next prime is 30243791. The reversal of 30243788 is 88734203.
It is a super-4 number, since 4×302437884 (a number of 31 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780470 + ... + 3780477.
It is an arithmetic number, because the mean of its divisors is an integer number (8821106).
Almost surely, 230243788 is an apocalyptic number.
It is an amenable number.
30243788 is a deficient number, since it is larger than the sum of its proper divisors (22682848).
30243788 is a wasteful number, since it uses less digits than its factorization.
30243788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7560951 (or 7560949 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 30243788 is about 5499.4352437319. The cubic root of 30243788 is about 311.5626542767.
The spelling of 30243788 in words is "thirty million, two hundred forty-three thousand, seven hundred eighty-eight".
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