Search a number
-
+
1320040422 = 23324445193
BaseRepresentation
bin100111010101110…
…0011011111100110
310101222220000001000
41032223203133212
510200412243142
6334553014130
744466105231
oct11653433746
93358800030
101320040422
116181459a8
1230a0b4346
1318063390c
14c745a418
157ad4d14c
hex4eae37e6

1320040422 has 16 divisors (see below), whose sum is σ = 2933423280. Its totient is φ = 440013456.

The previous prime is 1320040417. The next prime is 1320040439. The reversal of 1320040422 is 2240400231.

1320040422 is a `hidden beast` number, since 1 + 3 + 200 + 40 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1320040395 and 1320040404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12222543 + ... + 12222650.

It is an arithmetic number, because the mean of its divisors is an integer number (183338955).

Almost surely, 21320040422 is an apocalyptic number.

1320040422 is an abundant number, since it is smaller than the sum of its proper divisors (1613382858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320040422 is a wasteful number, since it uses less digits than its factorization.

1320040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445204 (or 24445198 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1320040422 is about 36332.3605343776. The cubic root of 1320040422 is about 1096.9725076879.

Adding to 1320040422 its reverse (2240400231), we get a palindrome (3560440653).

The spelling of 1320040422 in words is "one billion, three hundred twenty million, forty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 24445193 48890386 73335579 146671158 220006737 440013474 660020211 1320040422