Base | Representation |
---|---|
bin | 111010101010… |
… | …1100111110100 |
3 | 2010212201222111 |
4 | 1311111213310 |
5 | 30333300122 |
6 | 3015140404 |
7 | 522310405 |
oct | 165254764 |
9 | 63781874 |
10 | 30759412 |
11 | 163aa002 |
12 | a374704 |
13 | 64ac848 |
14 | 41299ac |
15 | 2a78d77 |
hex | 1d559f4 |
30759412 has 12 divisors (see below), whose sum is σ = 53881380. Its totient is φ = 15364736.
The previous prime is 30759403. The next prime is 30759419. The reversal of 30759412 is 21495703.
It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 355216 = 5514^2 + 596^2 .
It is a super-2 number, since 2×307594122 = 1892282853171488, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30759419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788 + ... + 8044.
It is an arithmetic number, because the mean of its divisors is an integer number (4490115).
Almost surely, 230759412 is an apocalyptic number.
It is an amenable number.
30759412 is a deficient number, since it is larger than the sum of its proper divisors (23121968).
30759412 is a wasteful number, since it uses less digits than its factorization.
30759412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7490 (or 7488 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 31.
The square root of 30759412 is about 5546.1168397357. The cubic root of 30759412 is about 313.3232887480.
The spelling of 30759412 in words is "thirty million, seven hundred fifty-nine thousand, four hundred twelve".
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