Search a number
-
+
495477649 = 1997268843
BaseRepresentation
bin11101100010000…
…110001110010001
31021112022212120001
4131202012032101
52003320241044
6121055450001
715164330152
oct3542061621
91245285501
10495477649
11234758767
12119b26901
137b860854
1449b39929
152d7732d4
hex1d886391

495477649 has 8 divisors (see below), whose sum is σ = 526934240. Its totient is φ = 464558976.

The previous prime is 495477641. The next prime is 495477677. The reversal of 495477649 is 946774594.

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 495477649 - 23 = 495477641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495477649.

It is not an unprimeable number, because it can be changed into a prime (495477641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132579 + ... + 136264.

It is an arithmetic number, because the mean of its divisors is an integer number (65866780).

Almost surely, 2495477649 is an apocalyptic number.

It is an amenable number.

495477649 is a deficient number, since it is larger than the sum of its proper divisors (31456591).

495477649 is a wasteful number, since it uses less digits than its factorization.

495477649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268959.

The product of its digits is 7620480, while the sum is 55.

The square root of 495477649 is about 22259.3272360150. The cubic root of 495477649 is about 791.3003468268.

The spelling of 495477649 in words is "four hundred ninety-five million, four hundred seventy-seven thousand, six hundred forty-nine".

Divisors: 1 19 97 1843 268843 5108017 26077771 495477649