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499970 = 25172173
BaseRepresentation
bin1111010000100000010
3221101211102
41322010002
5111444340
614414402
74151432
oct1720402
9841742
10499970
113116a9
12201402
13146753
14d02c2
159d215
hex7a102

499970 has 24 divisors (see below), whose sum is σ = 961524. Its totient is φ = 187136.

The previous prime is 499969. The next prime is 499973. The reversal of 499970 is 79994.

It can be written as a sum of positive squares in 6 ways, for example, as 450241 + 49729 = 671^2 + 223^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499970.

It is not an unprimeable number, because it can be changed into a prime (499973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2804 + ... + 2976.

2499970 is an apocalyptic number.

499970 is a deficient number, since it is larger than the sum of its proper divisors (461554).

499970 is a wasteful number, since it uses less digits than its factorization.

499970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 499970 is about 707.0855676649. The cubic root of 499970 is about 79.3684651656.

The spelling of 499970 in words is "four hundred ninety-nine thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 173 289 346 578 865 1445 1730 2890 2941 5882 14705 29410 49997 99994 249985 499970