Base | Representation |
---|---|
bin | 111001101011… |
… | …1111011101110 |
3 | 2002220120210000 |
4 | 1303113323232 |
5 | 30220311330 |
6 | 3000125130 |
7 | 515034435 |
oct | 163277356 |
9 | 62816700 |
10 | 30244590 |
11 | 16088232 |
12 | a1667a6 |
13 | 635c40c |
14 | 403411c |
15 | 29c6560 |
hex | 1cd7eee |
30244590 has 40 divisors (see below), whose sum is σ = 81326520. Its totient is φ = 8065008.
The previous prime is 30244589. The next prime is 30244601. The reversal of 30244590 is 9544203.
30244590 is a `hidden beast` number, since 30 + 2 + 44 + 590 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17860 + ... + 19479.
It is an arithmetic number, because the mean of its divisors is an integer number (2033163).
Almost surely, 230244590 is an apocalyptic number.
30244590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30244590 is an abundant number, since it is smaller than the sum of its proper divisors (51081930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30244590 is a wasteful number, since it uses less digits than its factorization.
30244590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37358 (or 37349 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 30244590 is about 5499.5081598267. The cubic root of 30244590 is about 311.5654082421.
Adding to 30244590 its reverse (9544203), we get a palindrome (39788793).
The spelling of 30244590 in words is "thirty million, two hundred forty-four thousand, five hundred ninety".
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