Search a number
-
+
2398229 = 3764817
BaseRepresentation
bin1001001001100000010101
311111211202022
421021200111
51103220404
6123222525
726245631
oct11114025
94454668
102398229
111398909
12977a45
1365c792
14465dc1
153258be
hex249815

2398229 has 4 divisors (see below), whose sum is σ = 2463084. Its totient is φ = 2333376.

The previous prime is 2398223. The next prime is 2398243. The reversal of 2398229 is 9228932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1495729 + 902500 = 1223^2 + 950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2398229 is a prime.

It is a d-powerful number, because it can be written as 28 + 313 + 94 + 84 + 218 + 219 + 94 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32372 + ... + 32445.

It is an arithmetic number, because the mean of its divisors is an integer number (615771).

22398229 is an apocalyptic number.

It is an amenable number.

2398229 is a deficient number, since it is larger than the sum of its proper divisors (64855).

2398229 is an equidigital number, since it uses as much as digits as its factorization.

2398229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64854.

The product of its digits is 15552, while the sum is 35.

The square root of 2398229 is about 1548.6216452058. The cubic root of 2398229 is about 133.8536495306.

The spelling of 2398229 in words is "two million, three hundred ninety-eight thousand, two hundred twenty-nine".

Divisors: 1 37 64817 2398229