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30313568 = 25947299
BaseRepresentation
bin111001110100…
…0110001100000
32010001002101202
41303220301200
530230013233
63001420332
7515442515
oct163506140
963032352
1030313568
111612503a
12a19a6a8
13638492c
14405130c
1529dbbe8
hex1ce8c60

30313568 has 12 divisors (see below), whose sum is σ = 59679900. Its totient is φ = 15156768.

The previous prime is 30313529. The next prime is 30313583. The reversal of 30313568 is 86531303.

It is a self number, because there is not a number n which added to its sum of digits gives 30313568.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473618 + ... + 473681.

It is an arithmetic number, because the mean of its divisors is an integer number (4973325).

Almost surely, 230313568 is an apocalyptic number.

It is an amenable number.

30313568 is a deficient number, since it is larger than the sum of its proper divisors (29366332).

30313568 is an equidigital number, since it uses as much as digits as its factorization.

30313568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947309 (or 947301 counting only the distinct ones).

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

The square root of 30313568 is about 5505.7758762957. The cubic root of 30313568 is about 311.8020879404.

The spelling of 30313568 in words is "thirty million, three hundred thirteen thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 947299 1894598 3789196 7578392 15156784 30313568