Search a number
-
+
1808224435 = 54110980923
BaseRepresentation
bin110101111000111…
…0101000010110011
311200000111022121101
41223301311002303
512200401140220
6455232305231
762544440233
oct15361650263
94600438541
101808224435
11848771866
124256a2217
1322a80c6b4
14132217cc3
15a8b3030a
hex6bc750b3

1808224435 has 16 divisors (see below), whose sum is σ = 2243213280. Its totient is φ = 1398332160.

The previous prime is 1808224427. The next prime is 1808224441. The reversal of 1808224435 is 5344228081.

It is a happy number.

It is not a de Polignac number, because 1808224435 - 23 = 1808224427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1808224394 and 1808224403.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18117 + ... + 62806.

It is an arithmetic number, because the mean of its divisors is an integer number (140200830).

Almost surely, 21808224435 is an apocalyptic number.

1808224435 is a deficient number, since it is larger than the sum of its proper divisors (434988845).

1808224435 is a wasteful number, since it uses less digits than its factorization.

1808224435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81078.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 1808224435 is about 42523.2223026431. Note that the first 3 decimals coincide. The cubic root of 1808224435 is about 1218.2902761911.

The spelling of 1808224435 in words is "one billion, eight hundred eight million, two hundred twenty-four thousand, four hundred thirty-five".

Divisors: 1 5 41 109 205 545 4469 22345 80923 404615 3317843 8820607 16589215 44103035 361644887 1808224435