Base | Representation |
---|---|
bin | 111010101000… |
… | …1101111000000 |
3 | 2010211221010201 |
4 | 1311101233000 |
5 | 30332242423 |
6 | 3014534544 |
7 | 522213106 |
oct | 165215700 |
9 | 63757121 |
10 | 30743488 |
11 | 16399046 |
12 | a367454 |
13 | 64a5519 |
14 | 4123c76 |
15 | 2a742ad |
hex | 1d51bc0 |
30743488 has 14 divisors (see below), whose sum is σ = 61006736. Its totient is φ = 15371712.
The previous prime is 30743483. The next prime is 30743507. The reversal of 30743488 is 88434703.
It is a super-2 number, since 2×307434882 = 1890324108812288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30743483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240120 + ... + 240247.
It is an arithmetic number, because the mean of its divisors is an integer number (4357624).
Almost surely, 230743488 is an apocalyptic number.
It is an amenable number.
30743488 is a deficient number, since it is larger than the sum of its proper divisors (30263248).
30743488 is an equidigital number, since it uses as much as digits as its factorization.
30743488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480379 (or 480369 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 37.
The square root of 30743488 is about 5544.6810548489. The cubic root of 30743488 is about 313.2692107605.
The spelling of 30743488 in words is "thirty million, seven hundred forty-three thousand, four hundred eighty-eight".
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