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495742287 = 3179720437
BaseRepresentation
bin11101100011000…
…110110101001111
31021112211022120110
4131203012311033
52003402223122
6121105251103
715166511535
oct3543066517
91245738513
10495742287
11234919577
1211a033a93
137b924141
1449ba8155
152d7c690c
hex1d8c6d4f

495742287 has 8 divisors (see below), whose sum is σ = 699871536. Its totient is φ = 311053952.

The previous prime is 495742279. The next prime is 495742361. The reversal of 495742287 is 782247594.

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 495742287 - 23 = 495742279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495742787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4860168 + ... + 4860269.

It is an arithmetic number, because the mean of its divisors is an integer number (87483942).

Almost surely, 2495742287 is an apocalyptic number.

495742287 is a deficient number, since it is larger than the sum of its proper divisors (204129249).

495742287 is a wasteful number, since it uses less digits than its factorization.

495742287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720457.

The product of its digits is 1128960, while the sum is 48.

The square root of 495742287 is about 22265.2708719207. The cubic root of 495742287 is about 791.4412013945.

The spelling of 495742287 in words is "four hundred ninety-five million, seven hundred forty-two thousand, two hundred eighty-seven".

Divisors: 1 3 17 51 9720437 29161311 165247429 495742287