Search a number
-
+
1535053540 = 225109704153
BaseRepresentation
bin101101101111111…
…0000111011100100
310221222110210120211
41123133300323210
511120433203130
6412153305204
753016511516
oct13337607344
93858423524
101535053540
11718552499
1236a105204
131b6046507
14107c29bb6
158eb70a2a
hex5b7f0ee4

1535053540 has 24 divisors (see below), whose sum is σ = 3253191480. Its totient is φ = 608387328.

The previous prime is 1535053537. The next prime is 1535053561. The reversal of 1535053540 is 453505351.

1535053540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 91661476 + 1443392064 = 9574^2 + 37992^2 .

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, 349897 + ... + 354256.

It is an arithmetic number, because the mean of its divisors is an integer number (135549645).

Almost surely, 21535053540 is an apocalyptic number.

1535053540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1535053540 is an abundant number, since it is smaller than the sum of its proper divisors (1718137940).

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

1535053540 is a wasteful number, since it uses less digits than its factorization.

1535053540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704271 (or 704269 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 1535053540 is about 39179.7593152383. The cubic root of 1535053540 is about 1153.5626229135.

Adding to 1535053540 its reverse (453505351), we get a palindrome (1988558891).

The spelling of 1535053540 in words is "one billion, five hundred thirty-five million, fifty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 704153 1408306 2816612 3520765 7041530 14083060 76752677 153505354 307010708 383763385 767526770 1535053540