Base | Representation |
---|---|
bin | 111001100100… |
… | …0001011000000 |
3 | 2002210022012222 |
4 | 1303020023000 |
5 | 30211230112 |
6 | 2554510212 |
7 | 514345301 |
oct | 163101300 |
9 | 62708188 |
10 | 30180032 |
11 | 16043783 |
12 | a135368 |
13 | 6338c0c |
14 | 40187a8 |
15 | 29b2372 |
hex | 1cc82c0 |
30180032 has 28 divisors (see below), whose sum is σ = 63413640. Its totient is φ = 14201856.
The previous prime is 30180001. The next prime is 30180047. The reversal of 30180032 is 23008103.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12782 + ... + 14957.
Almost surely, 230180032 is an apocalyptic number.
30180032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30180032 is an abundant number, since it is smaller than the sum of its proper divisors (33233608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30180032 is a wasteful number, since it uses less digits than its factorization.
30180032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27768 (or 27758 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 30180032 is about 5493.6355903900. The cubic root of 30180032 is about 311.3435683697.
Adding to 30180032 its reverse (23008103), we get a palindrome (53188135).
The spelling of 30180032 in words is "thirty million, one hundred eighty thousand, thirty-two".
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