Search a number
-
+
30030217 = 710394129
BaseRepresentation
bin111001010001…
…1100110001001
32002111200201021
41302203212021
530141431332
62551352441
7513152440
oct162434611
962450637
1030030217
1115a51168
12a082721
1362b5979
143db9d57
152982c97
hex1ca3989

30030217 has 8 divisors (see below), whose sum is σ = 34361600. Its totient is φ = 25709184.

The previous prime is 30030181. The next prime is 30030269. The reversal of 30030217 is 71203003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30030217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30030217.

It is not an unprimeable number, because it can be changed into a prime (30031217) 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, 5209 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (4295200).

Almost surely, 230030217 is an apocalyptic number.

It is an amenable number.

30030217 is a deficient number, since it is larger than the sum of its proper divisors (4331383).

30030217 is a wasteful number, since it uses less digits than its factorization.

30030217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 30030217 is about 5479.9833028943. The cubic root of 30030217 is about 310.8275391940.

The spelling of 30030217 in words is "thirty million, thirty thousand, two hundred seventeen".

Divisors: 1 7 1039 4129 7273 28903 4290031 30030217