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490085678 = 2467647811
BaseRepresentation
bin11101001101100…
…001110100101110
31021011011221011102
4131031201310232
52000430220203
6120344123102
715100442135
oct3515416456
91234157142
10490085678
11231705695
12118166492
137a6c3534
144913491c
152d05a888
hex1d361d2e

490085678 has 16 divisors (see below), whose sum is σ = 738751104. Its totient is φ = 243839160.

The previous prime is 490085657. The next prime is 490085689. The reversal of 490085678 is 876580094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603893 + ... + 604703.

It is an arithmetic number, because the mean of its divisors is an integer number (46171944).

Almost surely, 2490085678 is an apocalyptic number.

490085678 is a deficient number, since it is larger than the sum of its proper divisors (248665426).

490085678 is a wasteful number, since it uses less digits than its factorization.

490085678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 490085678 is about 22137.8788053418. The cubic root of 490085678 is about 788.4194634735.

The spelling of 490085678 in words is "four hundred ninety million, eighty-five thousand, six hundred seventy-eight".

Divisors: 1 2 467 647 811 934 1294 1622 302149 378737 524717 604298 757474 1049434 245042839 490085678