Search a number
-
+
498874549 = 1052947381
BaseRepresentation
bin11101101111000…
…011100010110101
31021202201110020011
4131233003202311
52010202441144
6121300340221
715235235515
oct3557034265
91252643204
10498874549
11236668918
1211b0a4671
137c47ca54
144a381845
152dbe4a34
hex1dbc38b5

498874549 has 4 divisors (see below), whose sum is σ = 498932460. Its totient is φ = 498816640.

The previous prime is 498874529. The next prime is 498874561. The reversal of 498874549 is 945478894.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 429235524 + 69639025 = 20718^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 498874549 - 25 = 498874517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 498874493 and 498874502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498874529) 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 3 ways as a sum of consecutive naturals, for example, 13162 + ... + 34219.

It is an arithmetic number, because the mean of its divisors is an integer number (124733115).

Almost surely, 2498874549 is an apocalyptic number.

It is an amenable number.

498874549 is a deficient number, since it is larger than the sum of its proper divisors (57911).

498874549 is a wasteful number, since it uses less digits than its factorization.

498874549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57910.

The product of its digits is 11612160, while the sum is 58.

The square root of 498874549 is about 22335.4997481588. The cubic root of 498874549 is about 793.1045645762.

The spelling of 498874549 in words is "four hundred ninety-eight million, eight hundred seventy-four thousand, five hundred forty-nine".

Divisors: 1 10529 47381 498874549