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30302041 = 7211173307
BaseRepresentation
bin111001110010…
…1111101011001
32010000111120211
41303211331121
530224131131
63001251121
7515364100
oct163457531
963014524
1030302041
1116117410
12a193aa1
13637c603
14404b037
1529d85b1
hex1ce5f59

30302041 has 24 divisors (see below), whose sum is σ = 40728096. Its totient is φ = 22216320.

The previous prime is 30302033. The next prime is 30302053. The reversal of 30302041 is 14020303.

It is not a de Polignac number, because 30302041 - 23 = 30302033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30302011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7510 + ... + 10816.

It is an arithmetic number, because the mean of its divisors is an integer number (1697004).

Almost surely, 230302041 is an apocalyptic number.

It is an amenable number.

30302041 is a deficient number, since it is larger than the sum of its proper divisors (10426055).

30302041 is a wasteful number, since it uses less digits than its factorization.

30302041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30302041 is about 5504.7289669883. The cubic root of 30302041 is about 311.7625611039.

Adding to 30302041 its reverse (14020303), we get a palindrome (44322344).

The spelling of 30302041 in words is "thirty million, three hundred two thousand, forty-one".

Divisors: 1 7 11 17 49 77 119 187 539 833 1309 3307 9163 23149 36377 56219 162043 254639 393533 618409 1782473 2754731 4328863 30302041