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4981216 = 25155663
BaseRepresentation
bin10011000000000111100000
3100101001221111
4103000013200
52233344331
6254433104
760224332
oct23000740
910331844
104981216
1128a2509
121802794
131055386
14939452
15685db1
hex4c01e0

4981216 has 12 divisors (see below), whose sum is σ = 9806832. Its totient is φ = 2490592.

The previous prime is 4981157. The next prime is 4981217. The reversal of 4981216 is 6121894.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77800 + ... + 77863.

It is an arithmetic number, because the mean of its divisors is an integer number (817236).

Almost surely, 24981216 is an apocalyptic number.

It is an amenable number.

4981216 is a deficient number, since it is larger than the sum of its proper divisors (4825616).

4981216 is a wasteful number, since it uses less digits than its factorization.

4981216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155673 (or 155665 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 4981216 is about 2231.8637951273. The cubic root of 4981216 is about 170.7831913651.

The spelling of 4981216 in words is "four million, nine hundred eighty-one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 155663 311326 622652 1245304 2490608 4981216