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487490 = 2529412
BaseRepresentation
bin1110111000001000010
3220202201012
41313001002
5111044430
614240522
74100153
oct1670102
9822635
10487490
11303293
121b6142
13140b73
14c992a
1599695
hex77042

487490 has 24 divisors (see below), whose sum is σ = 930420. Its totient is φ = 183680.

The previous prime is 487489. The next prime is 487507. The reversal of 487490 is 94784.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12769 + 474721 = 113^2 + 689^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11870 + ... + 11910.

2487490 is an apocalyptic number.

487490 is a deficient number, since it is larger than the sum of its proper divisors (442930).

487490 is a wasteful number, since it uses less digits than its factorization.

487490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 487490 is about 698.2048410030. The cubic root of 487490 is about 78.7025076874.

The spelling of 487490 in words is "four hundred eighty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 29 41 58 82 145 205 290 410 1189 1681 2378 3362 5945 8405 11890 16810 48749 97498 243745 487490