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30010321 = 1117160483
BaseRepresentation
bin111001001111…
…0101111010001
32002110200102101
41302132233101
530140312241
62551120401
7513040435
oct162365721
962420371
1030010321
1115a38220
12a073101
1362a98b3
143db29c5
15297be31
hex1c9ebd1

30010321 has 8 divisors (see below), whose sum is σ = 34664544. Its totient is φ = 25677120.

The previous prime is 30010307. The next prime is 30010327. The reversal of 30010321 is 12301003.

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

It is a cyclic number.

It is not a de Polignac number, because 30010321 - 211 = 30008273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30010298 and 30010307.

It is not an unprimeable number, because it can be changed into a prime (30010327) 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, 80055 + ... + 80428.

It is an arithmetic number, because the mean of its divisors is an integer number (4333068).

Almost surely, 230010321 is an apocalyptic number.

It is an amenable number.

30010321 is a deficient number, since it is larger than the sum of its proper divisors (4654223).

30010321 is a wasteful number, since it uses less digits than its factorization.

30010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160511.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30010321 is about 5478.1676681168. The cubic root of 30010321 is about 310.7588795617.

Adding to 30010321 its reverse (12301003), we get a palindrome (42311324).

The spelling of 30010321 in words is "thirty million, ten thousand, three hundred twenty-one".

Divisors: 1 11 17 187 160483 1765313 2728211 30010321