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30379514 = 2111380887
BaseRepresentation
bin111001111100…
…0110111111010
32010011102212012
41303320313322
530234121024
63003045522
7516136004
oct163706772
963142765
1030379514
111616a640
12a2108a2
1363a8959
14406b374
152a0150e
hex1cf8dfa

30379514 has 8 divisors (see below), whose sum is σ = 49711968. Its totient is φ = 13808860.

The previous prime is 30379507. The next prime is 30379549. The reversal of 30379514 is 41597303.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 690422 + ... + 690465.

It is an arithmetic number, because the mean of its divisors is an integer number (6213996).

Almost surely, 230379514 is an apocalyptic number.

30379514 is a deficient number, since it is larger than the sum of its proper divisors (19332454).

30379514 is a wasteful number, since it uses less digits than its factorization.

30379514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380900.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 30379514 is about 5511.7614244450. The cubic root of 30379514 is about 312.0280286566.

The spelling of 30379514 in words is "thirty million, three hundred seventy-nine thousand, five hundred fourteen".

Divisors: 1 2 11 22 1380887 2761774 15189757 30379514