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495641131 = 718098629
BaseRepresentation
bin11101100010101…
…110001000101011
31021112122011210221
4131202232020223
52003341004011
6121103150511
715165610606
oct3542561053
91245564727
10495641131
1123485a577
12119ba5437
137b8ba09b
1449b7d33d
152d7a6971
hex1d8ae22b

495641131 has 8 divisors (see below), whose sum is σ = 503301600. Its totient is φ = 487999680.

The previous prime is 495641119. The next prime is 495641147. The reversal of 495641131 is 131146594.

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

It is a cyclic number.

It is not a de Polignac number, because 495641131 - 29 = 495640619 is a prime.

It is a super-2 number, since 2×4956411312 = 491320261477918322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495641101) 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, 53125 + ... + 61753.

It is an arithmetic number, because the mean of its divisors is an integer number (62912700).

Almost surely, 2495641131 is an apocalyptic number.

495641131 is a deficient number, since it is larger than the sum of its proper divisors (7660469).

495641131 is an equidigital number, since it uses as much as digits as its factorization.

495641131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9509.

The product of its digits is 12960, while the sum is 34.

The square root of 495641131 is about 22262.9991465660. Note that the first 3 decimals coincide. The cubic root of 495641131 is about 791.3873666540.

The spelling of 495641131 in words is "four hundred ninety-five million, six hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 71 809 8629 57439 612659 6980861 495641131