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30000941 = 32099349
BaseRepresentation
bin111001001110…
…0011100101101
32002110012112222
41302130130231
530140012231
62551005125
7513001205
oct162343455
962405488
1030000941
1115a31173
12a0697a5
1362a5549
143dad405
15297927b
hex1c9c72d

30000941 has 4 divisors (see below), whose sum is σ = 30013500. Its totient is φ = 29988384.

The previous prime is 30000871. The next prime is 30000967. The reversal of 30000941 is 14900003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21855625 + 8145316 = 4675^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000941 - 214 = 29984557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466 + ... + 7883.

It is an arithmetic number, because the mean of its divisors is an integer number (7503375).

Almost surely, 230000941 is an apocalyptic number.

It is an amenable number.

30000941 is a deficient number, since it is larger than the sum of its proper divisors (12559).

30000941 is an equidigital number, since it uses as much as digits as its factorization.

30000941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30000941 is about 5477.3114755325. The cubic root of 30000941 is about 310.7264993456.

Adding to 30000941 its reverse (14900003), we get a palindrome (44900944).

The spelling of 30000941 in words is "thirty million, nine hundred forty-one", and thus it is an aban number.

Divisors: 1 3209 9349 30000941