Search a number
-
+
229385711 = 1931188527
BaseRepresentation
bin11011010110000…
…10010111101111
3120222122000001002
431223002113233
5432210320321
634432310515
75453514002
oct1553022757
9528560032
10229385711
11108533975
12649a243b
13386a57b9
1422671539
151521120b
hexdac25ef

229385711 has 4 divisors (see below), whose sum is σ = 230574432. Its totient is φ = 228196992.

The previous prime is 229385699. The next prime is 229385713. The reversal of 229385711 is 117583922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-229385711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229385713) 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, 594071 + ... + 594456.

It is an arithmetic number, because the mean of its divisors is an integer number (57643608).

Almost surely, 2229385711 is an apocalyptic number.

229385711 is a deficient number, since it is larger than the sum of its proper divisors (1188721).

229385711 is a wasteful number, since it uses less digits than its factorization.

229385711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188720.

The product of its digits is 30240, while the sum is 38.

The square root of 229385711 is about 15145.4848387234. The cubic root of 229385711 is about 612.1466169789.

The spelling of 229385711 in words is "two hundred twenty-nine million, three hundred eighty-five thousand, seven hundred eleven".

Divisors: 1 193 1188527 229385711