Search a number
-
+
30033297 = 327476719
BaseRepresentation
bin111001010010…
…0010110010001
32002111211221100
41302210112101
530142031142
62551415013
7513164430
oct162442621
962454840
1030033297
1115a53508
12a084469
1362b71a8
143dbb117
152983b4c
hex1ca4591

30033297 has 12 divisors (see below), whose sum is σ = 49578880. Its totient is φ = 17161848.

The previous prime is 30033287. The next prime is 30033323. The reversal of 30033297 is 79233003.

It is not a de Polignac number, because 30033297 - 28 = 30033041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30033297.

It is not an unprimeable number, because it can be changed into a prime (30033247) 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 11 ways as a sum of consecutive naturals, for example, 238297 + ... + 238422.

Almost surely, 230033297 is an apocalyptic number.

It is an amenable number.

30033297 is a deficient number, since it is larger than the sum of its proper divisors (19545583).

30033297 is a wasteful number, since it uses less digits than its factorization.

30033297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476732 (or 476729 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 30033297 is about 5480.2643184430. The cubic root of 30033297 is about 310.8381653365.

The spelling of 30033297 in words is "thirty million, thirty-three thousand, two hundred ninety-seven".

Divisors: 1 3 7 9 21 63 476719 1430157 3337033 4290471 10011099 30033297