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490894005 = 3572667883
BaseRepresentation
bin11101010000100…
…111001010110101
31021012200222222110
4131100213022311
52001132102010
6120413321233
715110346600
oct3520471265
91235628873
10490894005
11232107a28
12118496219
137a917434
14492a5337
152d16a120
hex1d4272b5

490894005 has 24 divisors (see below), whose sum is σ = 913665312. Its totient is φ = 224408352.

The previous prime is 490893979. The next prime is 490894031. The reversal of 490894005 is 500498094.

It is an interprime number because it is at equal distance from previous prime (490893979) and next prime (490894031).

It is not a de Polignac number, because 490894005 - 25 = 490893973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333207 + ... + 334676.

It is an arithmetic number, because the mean of its divisors is an integer number (38069388).

Almost surely, 2490894005 is an apocalyptic number.

It is an amenable number.

490894005 is a deficient number, since it is larger than the sum of its proper divisors (422771307).

490894005 is a wasteful number, since it uses less digits than its factorization.

490894005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667905 (or 667898 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 490894005 is about 22156.1279333732. The cubic root of 490894005 is about 788.8526875061.

The spelling of 490894005 in words is "four hundred ninety million, eight hundred ninety-four thousand, five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 735 667883 2003649 3339415 4675181 10018245 14025543 23375905 32726267 70127715 98178801 163631335 490894005