Base | Representation |
---|---|
bin | 111010000010… |
… | …1010101010110 |
3 | 2010021000212102 |
4 | 1310011111112 |
5 | 30242234200 |
6 | 3004122102 |
7 | 516440543 |
oct | 164052526 |
9 | 63230772 |
10 | 30430550 |
11 | 161a4a17 |
12 | a236332 |
13 | 63c5c57 |
14 | 4081bca |
15 | 2a116d5 |
hex | 1d05556 |
30430550 has 12 divisors (see below), whose sum is σ = 56600916. Its totient is φ = 12172200.
The previous prime is 30430513. The next prime is 30430553. The reversal of 30430550 is 5503403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30430553) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304256 + ... + 304355.
It is an arithmetic number, because the mean of its divisors is an integer number (4716743).
Almost surely, 230430550 is an apocalyptic number.
30430550 is a deficient number, since it is larger than the sum of its proper divisors (26170366).
30430550 is a wasteful number, since it uses less digits than its factorization.
30430550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608623 (or 608618 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 20.
The square root of 30430550 is about 5516.3892175951. The cubic root of 30430550 is about 312.2026611765.
Adding to 30430550 its reverse (5503403), we get a palindrome (35933953).
The spelling of 30430550 in words is "thirty million, four hundred thirty thousand, five hundred fifty".
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