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30014015 = 519315937
BaseRepresentation
bin111001001111…
…1101000111111
32002110212111012
41302133220333
530140422030
62551145435
7513054263
oct162375077
962425435
1030014015
1115a3aa79
12a07527b
1362ab495
143db40a3
15297d095
hex1c9fa3f

30014015 has 8 divisors (see below), whose sum is σ = 37912560. Its totient is φ = 22747392.

The previous prime is 30014003. The next prime is 30014021. The reversal of 30014015 is 51041003.

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 30014015 - 24 = 30013999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157874 + ... + 158063.

It is an arithmetic number, because the mean of its divisors is an integer number (4739070).

Almost surely, 230014015 is an apocalyptic number.

30014015 is a deficient number, since it is larger than the sum of its proper divisors (7898545).

30014015 is a wasteful number, since it uses less digits than its factorization.

30014015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315961.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30014015 is about 5478.5048142719. The cubic root of 30014015 is about 310.7716295776.

Adding to 30014015 its reverse (51041003), we get a palindrome (81055018).

The spelling of 30014015 in words is "thirty million, fourteen thousand, fifteen".

Divisors: 1 5 19 95 315937 1579685 6002803 30014015