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30648016 = 247273643
BaseRepresentation
bin111010011101…
…0011011010000
32010200002011201
41310322123100
530321214031
63012520544
7521334550
oct164723320
963602151
1030648016
1116333343
12a320154
136470c29
1440db160
152a55d61
hex1d3a6d0

30648016 has 20 divisors (see below), whose sum is σ = 67863712. Its totient is φ = 13134816.

The previous prime is 30648001. The next prime is 30648049. The reversal of 30648016 is 61084603.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 136710 + ... + 136933.

Almost surely, 230648016 is an apocalyptic number.

It is an amenable number.

30648016 is an abundant number, since it is smaller than the sum of its proper divisors (37215696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30648016 is a wasteful number, since it uses less digits than its factorization.

30648016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273658 (or 273652 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30648016 is about 5536.0650285198. The cubic root of 30648016 is about 312.9445951193.

The spelling of 30648016 in words is "thirty million, six hundred forty-eight thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 273643 547286 1094572 1915501 2189144 3831002 4378288 7662004 15324008 30648016