Search a number
-
+
2255064439 = 972239671
BaseRepresentation
bin1000011001101001…
…1000110101110111
312211011022010212011
42012122120311313
514104244030224
61011433505051
7106611505615
oct20632306567
95734263764
102255064439
11a57a1a321
1252b272187
1329c270c74
141756d26b5
15d2e97394
hex86698d77

2255064439 has 6 divisors (see below), whose sum is σ = 2278561704. Its totient is φ = 2231807040.

The previous prime is 2255064431. The next prime is 2255064473. The reversal of 2255064439 is 9344605522.

It is not a de Polignac number, because 2255064439 - 23 = 2255064431 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 (2255064431) 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 5 ways as a sum of consecutive naturals, for example, 110427 + ... + 129244.

It is an arithmetic number, because the mean of its divisors is an integer number (379760284).

Almost surely, 22255064439 is an apocalyptic number.

2255064439 is a deficient number, since it is larger than the sum of its proper divisors (23497265).

2255064439 is an frugal number, since it uses more digits than its factorization.

2255064439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239865 (or 239768 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 2255064439 is about 47487.5187707254. The cubic root of 2255064439 is about 1311.3531148162.

The spelling of 2255064439 in words is "two billion, two hundred fifty-five million, sixty-four thousand, four hundred thirty-nine".

Divisors: 1 97 9409 239671 23248087 2255064439