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4986289 = 72112292
BaseRepresentation
bin10011000001010110110001
3100101022220101
4103001112301
52234030124
6254512401
760245200
oct23012661
910338811
104986289
1128a6300
121805701
131057789
1493b237
15687644
hex4c15b1

4986289 has 27 divisors (see below), whose sum is σ = 6603051. Its totient is φ = 3751440.

The previous prime is 4986283. The next prime is 4986299. The reversal of 4986289 is 9826894.

The square root of 4986289 is 2233.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2614689 + 2371600 = 1617^2 + 1540^2 .

It is not a de Polignac number, because 4986289 - 23 = 4986281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4986281) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 171927 + ... + 171955.

Almost surely, 24986289 is an apocalyptic number.

4986289 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4986289 is the 2233-rd square number.

4986289 is the 1117-th centered octagonal number.

It is an amenable number.

4986289 is a deficient number, since it is larger than the sum of its proper divisors (1616762).

4986289 is a wasteful number, since it uses less digits than its factorization.

4986289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 47 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The cubic root of 4986289 is about 170.8411483767.

The spelling of 4986289 in words is "four million, nine hundred eighty-six thousand, two hundred eighty-nine".

Divisors: 1 7 11 29 49 77 121 203 319 539 841 847 1421 2233 3509 5887 5929 9251 15631 24563 41209 64757 101761 171941 453299 712327 4986289