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494950 = 25219521
BaseRepresentation
bin1111000110101100110
3221010221111
41320311212
5111314300
614335234
74131001
oct1706546
9833844
10494950
11308955
121ba51a
13144391
14cc538
159b9ba
hex78d66

494950 has 24 divisors (see below), whose sum is σ = 970920. Its totient is φ = 187200.

The previous prime is 494939. The next prime is 494959. The reversal of 494950 is 59494.

494950 = T74 + T75 + ... + T149.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494959) by changing a digit.

494950 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 11 ways as a sum of consecutive naturals, for example, 690 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (40455).

2494950 is an apocalyptic number.

494950 is a deficient number, since it is larger than the sum of its proper divisors (475970).

494950 is a wasteful number, since it uses less digits than its factorization.

494950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 494950 is about 703.5268296234. The cubic root of 494950 is about 79.1019353905.

It can be divided in two parts, 494 and 950, that added together give a square (1444 = 382).

The spelling of 494950 in words is "four hundred ninety-four thousand, nine hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 521 950 1042 2605 5210 9899 13025 19798 26050 49495 98990 247475 494950