Search a number
-
+
498954881 is a prime number
BaseRepresentation
bin11101101111010…
…111001010000001
31021202212112102102
4131233113022001
52010213024011
6121302200145
715236021645
oct3557271201
91252775372
10498954881
11236713207
1211b123055
137c4aa499
144a3a2c25
152dc0d73b
hex1dbd7281

498954881 has 2 divisors, whose sum is σ = 498954882. Its totient is φ = 498954880.

The previous prime is 498954823. The next prime is 498954901. The reversal of 498954881 is 188459894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484704256 + 14250625 = 22016^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 498954881 - 210 = 498953857 is a prime.

It is a super-2 number, since 2×4989548812 = 497911946547448322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (498954581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249477440 + 249477441.

It is an arithmetic number, because the mean of its divisors is an integer number (249477441).

Almost surely, 2498954881 is an apocalyptic number.

It is an amenable number.

498954881 is a deficient number, since it is larger than the sum of its proper divisors (1).

498954881 is an equidigital number, since it uses as much as digits as its factorization.

498954881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 56.

The square root of 498954881 is about 22337.2979789410. The cubic root of 498954881 is about 793.1471325635.

The spelling of 498954881 in words is "four hundred ninety-eight million, nine hundred fifty-four thousand, eight hundred eighty-one".