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4981868 = 221379091
BaseRepresentation
bin10011000000010001101100
3100101002211122
4103000101230
52233404433
6254440112
760226253
oct23002154
910332748
104981868
1128a2a51
121803038
131055768
1493979a
15686198
hex4c046c

4981868 has 12 divisors (see below), whose sum is σ = 8782872. Its totient is φ = 2472480.

The previous prime is 4981861. The next prime is 4981877. The reversal of 4981868 is 8681894.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (731906).

Almost surely, 24981868 is an apocalyptic number.

It is an amenable number.

4981868 is a deficient number, since it is larger than the sum of its proper divisors (3801004).

4981868 is a wasteful number, since it uses less digits than its factorization.

4981868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232 (or 9230 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 4981868 is about 2232.0098566091. The cubic root of 4981868 is about 170.7906424094.

Subtracting from 4981868 its sum of digits (44), we obtain a square (4981824 = 22322).

The spelling of 4981868 in words is "four million, nine hundred eighty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 137 274 548 9091 18182 36364 1245467 2490934 4981868