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30014013 = 361164011
BaseRepresentation
bin111001001111…
…1101000111101
32002110212111010
41302133220331
530140422023
62551145433
7513054261
oct162375075
962425433
1030014013
1115a3aa77
12a075279
1362ab493
143db40a1
15297d093
hex1c9fa3d

30014013 has 8 divisors (see below), whose sum is σ = 40674976. Its totient is φ = 19681200.

The previous prime is 30014003. The next prime is 30014021. The reversal of 30014013 is 31041003.

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

It is not a de Polignac number, because 30014013 - 25 = 30013981 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 30014013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30014003) 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, 81823 + ... + 82188.

It is an arithmetic number, because the mean of its divisors is an integer number (5084372).

Almost surely, 230014013 is an apocalyptic number.

It is an amenable number.

30014013 is a deficient number, since it is larger than the sum of its proper divisors (10660963).

30014013 is a wasteful number, since it uses less digits than its factorization.

30014013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164075.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30014013 is about 5478.5046317403. The cubic root of 30014013 is about 310.7716226748.

Adding to 30014013 its reverse (31041003), we get a palindrome (61055016).

The spelling of 30014013 in words is "thirty million, fourteen thousand, thirteen".

Divisors: 1 3 61 183 164011 492033 10004671 30014013