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490461539 = 716907909
BaseRepresentation
bin11101001110111…
…101100101100011
31021011220000202012
4131032331211203
52001024232124
6120400143135
715103566011
oct3516754543
91234800665
10490461539
11231942017
12118307aab
137a7c5639
14491d18b1
152d0d1e0e
hex1d3bd963

490461539 has 4 divisors (see below), whose sum is σ = 497369520. Its totient is φ = 483553560.

The previous prime is 490461493. The next prime is 490461541. The reversal of 490461539 is 935164094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490461539 - 228 = 222026083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490461496 and 490461505.

It is not an unprimeable number, because it can be changed into a prime (490461739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3453884 + ... + 3454025.

It is an arithmetic number, because the mean of its divisors is an integer number (124342380).

Almost surely, 2490461539 is an apocalyptic number.

490461539 is a deficient number, since it is larger than the sum of its proper divisors (6907981).

490461539 is an equidigital number, since it uses as much as digits as its factorization.

490461539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907980.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 490461539 is about 22146.3662707903. The cubic root of 490461539 is about 788.6209659300.

The spelling of 490461539 in words is "four hundred ninety million, four hundred sixty-one thousand, five hundred thirty-nine".

Divisors: 1 71 6907909 490461539