Base | Representation |
---|---|
bin | 111001111101… |
… | …0010101100100 |
3 | 2010011202002012 |
4 | 1303322111210 |
5 | 30234314013 |
6 | 3003133352 |
7 | 516162326 |
oct | 163722544 |
9 | 63152065 |
10 | 30385508 |
11 | 1617409a |
12 | a214258 |
13 | 63ab5ba |
14 | 406d616 |
15 | 2a031a8 |
hex | 1cfa564 |
30385508 has 6 divisors (see below), whose sum is σ = 53174646. Its totient is φ = 15192752.
The previous prime is 30385499. The next prime is 30385517. The reversal of 30385508 is 80558303.
It is an interprime number because it is at equal distance from previous prime (30385499) and next prime (30385517).
It can be written as a sum of positive squares in only one way, i.e., 30382144 + 3364 = 5512^2 + 58^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3798185 + ... + 3798192.
It is an arithmetic number, because the mean of its divisors is an integer number (8862441).
Almost surely, 230385508 is an apocalyptic number.
It is an amenable number.
30385508 is a deficient number, since it is larger than the sum of its proper divisors (22789138).
30385508 is a wasteful number, since it uses less digits than its factorization.
30385508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7596381 (or 7596379 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 30385508 is about 5512.3051439484. The cubic root of 30385508 is about 312.0485487678.
The spelling of 30385508 in words is "thirty million, three hundred eighty-five thousand, five hundred eight".
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