Search a number
-
+
245434343 = 711219101151
BaseRepresentation
bin11101010000100…
…00011111100111
3122002211100121212
432220100133213
51000312344333
640204302035
76040105010
oct1650203747
9562740555
10245434343
111165a5500
126a24191b
133bb0452b
142484c007
1516831448
hexea107e7

245434343 has 48 divisors (see below), whose sum is σ = 329925120. Its totient is φ = 178200000.

The previous prime is 245434327. The next prime is 245434349. The reversal of 245434343 is 343434542.

It is not a de Polignac number, because 245434343 - 24 = 245434327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245434349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1625318 + ... + 1625468.

It is an arithmetic number, because the mean of its divisors is an integer number (6873440).

Almost surely, 2245434343 is an apocalyptic number.

245434343 is a deficient number, since it is larger than the sum of its proper divisors (84490777).

245434343 is a wasteful number, since it uses less digits than its factorization.

245434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 289 counting only the distinct ones).

The product of its digits is 69120, while the sum is 32.

The square root of 245434343 is about 15666.3442768248. The cubic root of 245434343 is about 626.1020284047.

Adding to 245434343 its reverse (343434542), we get a palindrome (588868885).

The spelling of 245434343 in words is "two hundred forty-five million, four hundred thirty-four thousand, three hundred forty-three".

Divisors: 1 7 11 19 77 101 121 133 151 209 707 847 1057 1111 1463 1661 1919 2299 2869 7777 11627 12221 13433 15251 16093 18271 20083 21109 31559 85547 106757 127897 147763 167761 220913 232199 289769 347149 1174327 1625393 1845371 2028383 2430043 3187459 12917597 22312213 35062049 245434343