Search a number
-
+
2445430207 = 112191063693
BaseRepresentation
bin1001000111000010…
…0100110110111111
320022102111201121011
42101300210312333
520002012231312
61042354020051
7114412546063
oct22160446677
96272451534
102445430207
111045421a00
12582b77627
132cc83402c
14192ac7aa3
15e4a4bda7
hex91c24dbf

2445430207 has 12 divisors (see below), whose sum is σ = 2829426040. Its totient is φ = 2106110160.

The previous prime is 2445430193. The next prime is 2445430213. The reversal of 2445430207 is 7020345442.

It is a happy number.

It is not a de Polignac number, because 2445430207 - 219 = 2444905919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445430277) 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 11 ways as a sum of consecutive naturals, for example, 529548 + ... + 534145.

Almost surely, 22445430207 is an apocalyptic number.

2445430207 is a deficient number, since it is larger than the sum of its proper divisors (383995833).

2445430207 is a wasteful number, since it uses less digits than its factorization.

2445430207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063734 (or 1063723 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2445430207 is about 49451.2912571553. The cubic root of 2445430207 is about 1347.2610599519.

Adding to 2445430207 its reverse (7020345442), we get a palindrome (9465775649).

The spelling of 2445430207 in words is "two billion, four hundred forty-five million, four hundred thirty thousand, two hundred seven".

Divisors: 1 11 19 121 209 2299 1063693 11700623 20210167 128706853 222311837 2445430207