Base | Representation |
---|---|
bin | 111001011010… |
… | …1110000000100 |
3 | 2002122110201110 |
4 | 1302311300010 |
5 | 30201321310 |
6 | 2553125020 |
7 | 513612312 |
oct | 162656004 |
9 | 62573643 |
10 | 30104580 |
11 | 15aa2020 |
12 | a0b9770 |
13 | 631077c |
14 | 3dd90b2 |
15 | 2999d20 |
hex | 1cb5c04 |
30104580 has 48 divisors (see below), whose sum is σ = 91957824. Its totient is φ = 7297920.
The previous prime is 30104567. The next prime is 30104611. The reversal of 30104580 is 8540103.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22147 + ... + 23466.
It is an arithmetic number, because the mean of its divisors is an integer number (1915788).
Almost surely, 230104580 is an apocalyptic number.
30104580 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30104580 is an abundant number, since it is smaller than the sum of its proper divisors (61853244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30104580 is a wasteful number, since it uses less digits than its factorization.
30104580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45636 (or 45634 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 30104580 is about 5486.7640736594. The cubic root of 30104580 is about 311.0838922710.
Adding to 30104580 its reverse (8540103), we get a palindrome (38644683).
The spelling of 30104580 in words is "thirty million, one hundred four thousand, five hundred eighty".
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