Base | Representation |
---|---|
bin | 111010101011… |
… | …1100010010000 |
3 | 2010220010201201 |
4 | 1311113202100 |
5 | 30334022443 |
6 | 3015240544 |
7 | 522342301 |
oct | 165274220 |
9 | 63803651 |
10 | 30767248 |
11 | 16404986 |
12 | a379154 |
13 | 64b3295 |
14 | 412c7a8 |
15 | 2a7b34d |
hex | 1d57890 |
30767248 has 20 divisors (see below), whose sum is σ = 59762668. Its totient is φ = 15344640.
The previous prime is 30767227. The next prime is 30767257. The reversal of 30767248 is 84276703.
It can be written as a sum of positive squares in 2 ways, for example, as 7225344 + 23541904 = 2688^2 + 4852^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708 + ... + 9148.
Almost surely, 230767248 is an apocalyptic number.
It is an amenable number.
30767248 is a deficient number, since it is larger than the sum of its proper divisors (28995420).
30767248 is a wasteful number, since it uses less digits than its factorization.
30767248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4882 (or 4876 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 37.
The square root of 30767248 is about 5546.8232349697. The cubic root of 30767248 is about 313.3498929933.
It can be divided in two parts, 307672 and 48, that added together give a triangular number (307720 = T784).
The spelling of 30767248 in words is "thirty million, seven hundred sixty-seven thousand, two hundred forty-eight".
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