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489950 = 25241239
BaseRepresentation
bin1110111100111011110
3220220002022
41313213132
5111134300
614300142
74110266
oct1674736
9826068
10489950
1130511a
121b7652
13142016
14ca7a6
159a285
hex779de

489950 has 24 divisors (see below), whose sum is σ = 937440. Its totient is φ = 190400.

The previous prime is 489943. The next prime is 489959. The reversal of 489950 is 59984.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 489950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1931 + ... + 2169.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2489950 is an apocalyptic number.

489950 is a deficient number, since it is larger than the sum of its proper divisors (447490).

489950 is a wasteful number, since it uses less digits than its factorization.

489950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 489950 is about 699.9642848032. The cubic root of 489950 is about 78.8346699973.

The spelling of 489950 in words is "four hundred eighty-nine thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 41 50 82 205 239 410 478 1025 1195 2050 2390 5975 9799 11950 19598 48995 97990 244975 489950