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495538560 = 2734511279
BaseRepresentation
bin11101100010010…
…101000110000000
31021112102222010000
4131202111012000
52003324213220
6121101040000
715165002556
oct3542250600
91245388100
10495538560
1123479a500
12119b56000
137b8824aa
1449b53bd6
152d786390
hex1d895180

495538560 has 480 divisors, whose sum is σ = 1969783200. Its totient is φ = 118609920.

The previous prime is 495538553. The next prime is 495538567. The reversal of 495538560 is 65835594.

495538560 is a `hidden beast` number, since 4 + 9 + 55 + 38 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (495538553) and next prime (495538567).

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495538567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6272601 + ... + 6272679.

It is an arithmetic number, because the mean of its divisors is an integer number (4103715).

Almost surely, 2495538560 is an apocalyptic number.

495538560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495538560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984891600).

495538560 is an abundant number, since it is smaller than the sum of its proper divisors (1474244640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495538560 is a wasteful number, since it uses less digits than its factorization.

495538560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 495538560 is about 22260.6954069274. The cubic root of 495538560 is about 791.3327713775.

The spelling of 495538560 in words is "four hundred ninety-five million, five hundred thirty-eight thousand, five hundred sixty".