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30449315 = 513468451
BaseRepresentation
bin111010000100…
…1111010100011
32010021222121102
41310021322203
530243334230
63004345015
7516546341
oct164117243
963258542
1030449315
1116208026
12a24516b
136401660
144088991
152a17045
hex1d09ea3

30449315 has 8 divisors (see below), whose sum is σ = 39349968. Its totient is φ = 22485600.

The previous prime is 30449269. The next prime is 30449327. The reversal of 30449315 is 51394403.

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

It is not a de Polignac number, because 30449315 - 214 = 30432931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 234161 + ... + 234290.

It is an arithmetic number, because the mean of its divisors is an integer number (4918746).

Almost surely, 230449315 is an apocalyptic number.

30449315 is a deficient number, since it is larger than the sum of its proper divisors (8900653).

30449315 is a wasteful number, since it uses less digits than its factorization.

30449315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468469.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30449315 is about 5518.0897962973. The cubic root of 30449315 is about 312.2668212518.

The spelling of 30449315 in words is "thirty million, four hundred forty-nine thousand, three hundred fifteen".

Divisors: 1 5 13 65 468451 2342255 6089863 30449315