Search a number
-
+
229546493 = 1120867863
BaseRepresentation
bin11011010111010…
…01100111111101
3120222221011120222
431223221213331
5432230441433
634435551125
75455053521
oct1553514775
9528834528
10229546493
11108633750
1264a5b4a5
1338730a37
14226b3d81
1515243b98
hexdae99fd

229546493 has 4 divisors (see below), whose sum is σ = 250414368. Its totient is φ = 208678620.

The previous prime is 229546481. The next prime is 229546507. The reversal of 229546493 is 394645922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229546493 - 216 = 229480957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229546423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10433921 + ... + 10433942.

It is an arithmetic number, because the mean of its divisors is an integer number (62603592).

Almost surely, 2229546493 is an apocalyptic number.

It is an amenable number.

229546493 is a deficient number, since it is larger than the sum of its proper divisors (20867875).

229546493 is a wasteful number, since it uses less digits than its factorization.

229546493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867874.

The product of its digits is 466560, while the sum is 44.

The square root of 229546493 is about 15150.7918274921. The cubic root of 229546493 is about 612.2896063720.

The spelling of 229546493 in words is "two hundred twenty-nine million, five hundred forty-six thousand, four hundred ninety-three".

Divisors: 1 11 20867863 229546493