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30300519 = 310100173
BaseRepresentation
bin111001110010…
…1100101100111
32010000102111110
41303211211213
530224104034
63001240103
7515356464
oct163454547
963012443
1030300519
1116116257
12a193033
13637ba02
14404a66b
1529d7de9
hex1ce5967

30300519 has 4 divisors (see below), whose sum is σ = 40400696. Its totient is φ = 20200344.

The previous prime is 30300503. The next prime is 30300539. The reversal of 30300519 is 91500303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91500303 = 330500101.

It is not a de Polignac number, because 30300519 - 24 = 30300503 is a prime.

It is a super-2 number, since 2×303005192 = 1836242903338722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30300495 and 30300504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050084 + ... + 5050089.

It is an arithmetic number, because the mean of its divisors is an integer number (10100174).

Almost surely, 230300519 is an apocalyptic number.

30300519 is a deficient number, since it is larger than the sum of its proper divisors (10100177).

30300519 is a wasteful number, since it uses less digits than its factorization.

30300519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100176.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 30300519 is about 5504.5907204805. The cubic root of 30300519 is about 311.7573413173.

The spelling of 30300519 in words is "thirty million, three hundred thousand, five hundred nineteen".

Divisors: 1 3 10100173 30300519