Search a number
-
+
495993149 = 3171225349
BaseRepresentation
bin11101100100000…
…100000100111101
31021120022001200122
4131210010010331
52003433240044
6121114504325
715201605111
oct3544040475
91246261618
10495993149
11234a7aaa3
1211a1350a5
137b9b1392
1449c31741
152d825dee
hex1d90413d

495993149 has 8 divisors (see below), whose sum is σ = 519206400. Its totient is φ = 473230800.

The previous prime is 495993109. The next prime is 495993181. The reversal of 495993149 is 941399594.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-495993149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 495993149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495993109) 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, 110474 + ... + 114875.

It is an arithmetic number, because the mean of its divisors is an integer number (64900800).

Almost surely, 2495993149 is an apocalyptic number.

It is an amenable number.

495993149 is a deficient number, since it is larger than the sum of its proper divisors (23213251).

495993149 is a wasteful number, since it uses less digits than its factorization.

495993149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225451.

The product of its digits is 1574640, while the sum is 53.

The square root of 495993149 is about 22270.9036412984. The cubic root of 495993149 is about 791.5746773608.

The spelling of 495993149 in words is "four hundred ninety-five million, nine hundred ninety-three thousand, one hundred forty-nine".

Divisors: 1 31 71 2201 225349 6985819 15999779 495993149