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486940 = 22597251
BaseRepresentation
bin1110110111000011100
3220201221211
41312320130
5111040230
614234204
74065436
oct1667034
9821854
10486940
11302933
121b5964
1314083c
14c9656
159942a
hex76e1c

486940 has 24 divisors (see below), whose sum is σ = 1037232. Its totient is φ = 192000.

The previous prime is 486929. The next prime is 486943. The reversal of 486940 is 49684.

It is a super-2 number, since 2×4869402 = 474221127200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486943) by changing a digit.

486940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (43218).

2486940 is an apocalyptic number.

It is an amenable number.

486940 is an abundant number, since it is smaller than the sum of its proper divisors (550292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486940 is a wasteful number, since it uses less digits than its factorization.

486940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 486940 is about 697.8108626268. The cubic root of 486940 is about 78.6728984179.

The spelling of 486940 in words is "four hundred eighty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 97 194 251 388 485 502 970 1004 1255 1940 2510 5020 24347 48694 97388 121735 243470 486940