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30038041 = 117138461
BaseRepresentation
bin111001010010…
…1100000011001
32002112002110001
41302211200121
530142204131
62551453001
7513214315
oct162454031
962462401
1030038041
1115a57030
12a087161
1362b93b7
143dbcb45
152985261
hex1ca5819

30038041 has 8 divisors (see below), whose sum is σ = 33231168. Its totient is φ = 26922000.

The previous prime is 30038033. The next prime is 30038077. The reversal of 30038041 is 14083003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30038041 - 23 = 30038033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30038011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18450 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (4153896).

Almost surely, 230038041 is an apocalyptic number.

It is an amenable number.

30038041 is a deficient number, since it is larger than the sum of its proper divisors (3193127).

30038041 is a wasteful number, since it uses less digits than its factorization.

30038041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38543.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30038041 is about 5480.6971271910. The cubic root of 30038041 is about 310.8545309348.

The spelling of 30038041 in words is "thirty million, thirty-eight thousand, forty-one".

Divisors: 1 11 71 781 38461 423071 2730731 30038041