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30049203 = 319527179
BaseRepresentation
bin111001010100…
…0001110110011
32002112122202110
41302220032303
530143033303
62552020403
7513262002
oct162501663
962478673
1030049203
1115a64458
12a091703
1362c14c2
143dc2c39
152988703
hex1ca83b3

30049203 has 8 divisors (see below), whose sum is σ = 42174400. Its totient is φ = 18978408.

The previous prime is 30049189. The next prime is 30049207. The reversal of 30049203 is 30294003.

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

It is not a de Polignac number, because 30049203 - 25 = 30049171 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 30049203.

It is not an unprimeable number, because it can be changed into a prime (30049207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263533 + ... + 263646.

It is an arithmetic number, because the mean of its divisors is an integer number (5271800).

Almost surely, 230049203 is an apocalyptic number.

30049203 is a deficient number, since it is larger than the sum of its proper divisors (12125197).

30049203 is a wasteful number, since it uses less digits than its factorization.

30049203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527201.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30049203 is about 5481.7153337254. The cubic root of 30049203 is about 310.8930302118.

The spelling of 30049203 in words is "thirty million, forty-nine thousand, two hundred three".

Divisors: 1 3 19 57 527179 1581537 10016401 30049203