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30335474 = 2131279187
BaseRepresentation
bin111001110111…
…0000111110010
32010002012110002
41303232013302
530231213344
63002110002
7515563421
oct163560762
963065402
1030335474
111613a544
12a1ab302
1363918b0
1440592b8
1529e344e
hex1cee1f2

30335474 has 16 divisors (see below), whose sum is σ = 49394688. Its totient is φ = 13889232.

The previous prime is 30335471. The next prime is 30335477. The reversal of 30335474 is 47453303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30335471) and next prime (30335477).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30335471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (3087168).

Almost surely, 230335474 is an apocalyptic number.

30335474 is a deficient number, since it is larger than the sum of its proper divisors (19059214).

30335474 is a wasteful number, since it uses less digits than its factorization.

30335474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 30335474 is about 5507.7648824183. The cubic root of 30335474 is about 311.8771774392.

Adding to 30335474 its reverse (47453303), we get a palindrome (77788777).

The spelling of 30335474 in words is "thirty million, three hundred thirty-five thousand, four hundred seventy-four".

Divisors: 1 2 13 26 127 254 1651 3302 9187 18374 119431 238862 1166749 2333498 15167737 30335474