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490410643 = 4753196873
BaseRepresentation
bin11101001110110…
…001001010010011
31021011210102221011
4131032301022103
52001021120033
6120355111351
715103264432
oct3516611223
91234712834
10490410643
11231907858
121182a2557
137a7a8418
14491bb119
152d0c1ccd
hex1d3b1293

490410643 has 8 divisors (see below), whose sum is σ = 510297408. Its totient is φ = 470917824.

The previous prime is 490410637. The next prime is 490410667. The reversal of 490410643 is 346014094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-490410643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490410043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95946 + ... + 100927.

It is an arithmetic number, because the mean of its divisors is an integer number (63787176).

Almost surely, 2490410643 is an apocalyptic number.

490410643 is a deficient number, since it is larger than the sum of its proper divisors (19886765).

490410643 is a wasteful number, since it uses less digits than its factorization.

490410643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196973.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 490410643 is about 22145.2171585650. The cubic root of 490410643 is about 788.5936861551.

The spelling of 490410643 in words is "four hundred ninety million, four hundred ten thousand, six hundred forty-three".

Divisors: 1 47 53 2491 196873 9253031 10434269 490410643