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4989303 = 3311107157
BaseRepresentation
bin10011000010000101110111
3100101111001000
4103002011313
52234124203
6254534343
760260034
oct23020567
910344030
104989303
1128a85a0
1218073b3
131058c67
1493c38b
156884a3
hex4c2177

4989303 has 32 divisors (see below), whose sum is σ = 8190720. Its totient is φ = 2976480.

The previous prime is 4989301. The next prime is 4989337. The reversal of 4989303 is 3039894.

It is not a de Polignac number, because 4989303 - 21 = 4989301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989301) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 31701 + ... + 31857.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

Almost surely, 24989303 is an apocalyptic number.

4989303 is the 1413-rd heptagonal number.

4989303 is a deficient number, since it is larger than the sum of its proper divisors (3201417).

4989303 is a wasteful number, since it uses less digits than its factorization.

4989303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4989303 is about 2233.6747748945. The cubic root of 4989303 is about 170.8755635171.

It can be divided in two parts, 498 and 9303, that added together give a square (9801 = 992).

The spelling of 4989303 in words is "four million, nine hundred eighty-nine thousand, three hundred three".

Divisors: 1 3 9 11 27 33 99 107 157 297 321 471 963 1177 1413 1727 2889 3531 4239 5181 10593 15543 16799 31779 46629 50397 151191 184789 453573 554367 1663101 4989303