Base | Representation |
---|---|
bin | 111001101101… |
… | …0011000101010 |
3 | 2002221002120000 |
4 | 1303122120222 |
5 | 30221122014 |
6 | 3000243430 |
7 | 515105634 |
oct | 163323052 |
9 | 62832500 |
10 | 30254634 |
11 | 16094833 |
12 | a170576 |
13 | 6363b67 |
14 | 4037a54 |
15 | 29c9509 |
hex | 1cda62a |
30254634 has 20 divisors (see below), whose sum is σ = 67793154. Its totient is φ = 10084824.
The previous prime is 30254621. The next prime is 30254647. The reversal of 30254634 is 43645203.
30254634 is a `hidden beast` number, since 3 + 0 + 25 + 4 + 634 = 666.
It is an interprime number because it is at equal distance from previous prime (30254621) and next prime (30254647).
It can be written as a sum of positive squares in only one way, i.e., 25857225 + 4397409 = 5085^2 + 2097^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30254598 and 30254607.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93217 + ... + 93540.
Almost surely, 230254634 is an apocalyptic number.
30254634 is an abundant number, since it is smaller than the sum of its proper divisors (37538520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30254634 is a wasteful number, since it uses less digits than its factorization.
30254634 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186771 (or 186762 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 30254634 is about 5500.4212565948. The cubic root of 30254634 is about 311.5998939315.
Adding to 30254634 its reverse (43645203), we get a palindrome (73899837).
The spelling of 30254634 in words is "thirty million, two hundred fifty-four thousand, six hundred thirty-four".
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