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30541133 = 731114029
BaseRepresentation
bin111010010000…
…0010101001101
32010110122120002
41310200111031
530304304013
63010334045
7520411130
oct164402515
963418502
1030541133
1116270007
12a28a325
13643439c
1440b0217
152a34358
hex1d2054d

30541133 has 8 divisors (see below), whose sum is σ = 35018880. Its totient is φ = 26092080.

The previous prime is 30541123. The next prime is 30541139. The reversal of 30541133 is 33114503.

It is a happy number.

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

It is not a de Polignac number, because 30541133 - 28 = 30540877 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 (30541139) 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, 4838 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (4377360).

Almost surely, 230541133 is an apocalyptic number.

It is an amenable number.

30541133 is a deficient number, since it is larger than the sum of its proper divisors (4477747).

30541133 is a wasteful number, since it uses less digits than its factorization.

30541133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30541133 is about 5526.4032607113. The cubic root of 30541133 is about 312.5803799632.

Adding to 30541133 its reverse (33114503), we get a palindrome (63655636).

The spelling of 30541133 in words is "thirty million, five hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 7 311 2177 14029 98203 4363019 30541133