Search a number
-
+
30030089 = 1971113197
BaseRepresentation
bin111001010001…
…1100100001001
32002111200112112
41302203210021
530141430324
62551352105
7513152165
oct162434411
962450475
1030030089
1115a51061
12a082635
1362b58ab
143db9ca5
152982c0e
hex1ca3909

30030089 has 16 divisors (see below), whose sum is σ = 32503680. Its totient is φ = 27659520.

The previous prime is 30030079. The next prime is 30030101. The reversal of 30030089 is 98003003.

It is a cyclic number.

It is not a de Polignac number, because 30030089 - 24 = 30030073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30030079) 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 15 ways as a sum of consecutive naturals, for example, 152339 + ... + 152535.

It is an arithmetic number, because the mean of its divisors is an integer number (2031480).

Almost surely, 230030089 is an apocalyptic number.

It is an amenable number.

30030089 is a deficient number, since it is larger than the sum of its proper divisors (2473591).

30030089 is a wasteful number, since it uses less digits than its factorization.

30030089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30030089 is about 5479.9716240141. The cubic root of 30030089 is about 310.8270975724.

The spelling of 30030089 in words is "thirty million, thirty thousand, eighty-nine".

Divisors: 1 19 71 113 197 1349 2147 3743 8023 13987 22261 152437 265753 422959 1580531 30030089