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30040241 = 7111753433
BaseRepresentation
bin111001010011…
…0000010110001
32002112012110112
41302212002301
530142241431
62551511105
7513223610
oct162460261
962465415
1030040241
1115a58750
12a088495
1362ba3ba
143dbd877
152985c2b
hex1ca60b1

30040241 has 32 divisors (see below), whose sum is σ = 40497408. Its totient is φ = 21565440.

The previous prime is 30040237. The next prime is 30040253. The reversal of 30040241 is 14204003.

It is a cyclic number.

It is not a de Polignac number, because 30040241 - 22 = 30040237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30040211) 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 31 ways as a sum of consecutive naturals, for example, 69161 + ... + 69593.

It is an arithmetic number, because the mean of its divisors is an integer number (1265544).

Almost surely, 230040241 is an apocalyptic number.

It is an amenable number.

30040241 is a deficient number, since it is larger than the sum of its proper divisors (10457167).

30040241 is a wasteful number, since it uses less digits than its factorization.

30040241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30040241 is about 5480.8978279110. The cubic root of 30040241 is about 310.8621197927.

Adding to 30040241 its reverse (14204003), we get a palindrome (44244244).

The spelling of 30040241 in words is "thirty million, forty thousand, two hundred forty-one".

Divisors: 1 7 11 17 53 77 119 187 371 433 583 901 1309 3031 4081 4763 6307 7361 9911 22949 33341 51527 69377 80971 160643 252439 390133 566797 1767073 2730931 4291463 30040241