Base | Representation |
---|---|
bin | 111010101011… |
… | …0000111101010 |
3 | 2010212211202222 |
4 | 1311112013222 |
5 | 30333331300 |
6 | 3015154042 |
7 | 522316346 |
oct | 165260752 |
9 | 63784688 |
10 | 30761450 |
11 | 16400595 |
12 | a375922 |
13 | 64b0755 |
14 | 412a626 |
15 | 2a79785 |
hex | 1d561ea |
30761450 has 12 divisors (see below), whose sum is σ = 57216390. Its totient is φ = 12304560.
The previous prime is 30761447. The next prime is 30761473. The reversal of 30761450 is 5416703.
It can be written as a sum of positive squares in 3 ways, for example, as 19864849 + 10896601 = 4457^2 + 3301^2 .
It is a super-2 number, since 2×307614502 = 1892533612205000, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307565 + ... + 307664.
Almost surely, 230761450 is an apocalyptic number.
30761450 is a deficient number, since it is larger than the sum of its proper divisors (26454940).
30761450 is a wasteful number, since it uses less digits than its factorization.
30761450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615241 (or 615236 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 30761450 is about 5546.3005688477. The cubic root of 30761450 is about 313.3302084594.
The spelling of 30761450 in words is "thirty million, seven hundred sixty-one thousand, four hundred fifty".
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