Search a number
-
+
4227435989 = 719213712211
BaseRepresentation
bin1111101111111001…
…1000110111010101
3101220121122222222022
43323332120313111
532124210422424
61535252342525
7206521420160
oct37376306725
911817588868
104227435989
11187a306257
1299b914a45
13524a9391a
142c1638ad7
1519b1ed95e
hexfbf98dd5

4227435989 has 24 divisors (see below), whose sum is σ = 5136660288. Its totient is φ = 3407469120.

The previous prime is 4227435983. The next prime is 4227435991. The reversal of 4227435989 is 9895347224.

It is not a de Polignac number, because 4227435989 - 228 = 3959000533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4227435989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227435983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340094 + ... + 352304.

It is an arithmetic number, because the mean of its divisors is an integer number (214027512).

Almost surely, 24227435989 is an apocalyptic number.

It is an amenable number.

4227435989 is a deficient number, since it is larger than the sum of its proper divisors (909224299).

4227435989 is a wasteful number, since it uses less digits than its factorization.

4227435989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393 (or 12374 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 4227435989 is about 65018.7356767263. The cubic root of 4227435989 is about 1616.9341993123.

The spelling of 4227435989 in words is "four billion, two hundred twenty-seven million, four hundred thirty-five thousand, nine hundred eighty-nine".

Divisors: 1 7 19 133 137 361 959 2527 2603 12211 18221 49457 85477 232009 346199 1624063 1672907 4408171 11710349 30857197 31785233 222496631 603919427 4227435989