Search a number
-
+
1420525355 = 517131193661
BaseRepresentation
bin101010010101011…
…0111111100101011
310122222222011110012
41110222313330223
510402123302410
6352542442135
750126160224
oct12452677453
93588864405
101420525355
116699387a7
1233789334b
131983b7062
14d693624b
1584a9b605
hex54ab7f2b

1420525355 has 32 divisors (see below), whose sum is σ = 1830869568. Its totient is φ = 1054310400.

The previous prime is 1420525343. The next prime is 1420525363. The reversal of 1420525355 is 5535250241.

It is not a de Polignac number, because 1420525355 - 228 = 1152089899 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 2148725 + ... + 2149385.

It is an arithmetic number, because the mean of its divisors is an integer number (57214674).

Almost surely, 21420525355 is an apocalyptic number.

1420525355 is a deficient number, since it is larger than the sum of its proper divisors (410344213).

1420525355 is a wasteful number, since it uses less digits than its factorization.

1420525355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1420525355 is about 37689.8574552889. The cubic root of 1420525355 is about 1124.1294611903.

Adding to 1420525355 its reverse (5535250241), we get a palindrome (6955775596).

The spelling of 1420525355 in words is "one billion, four hundred twenty million, five hundred twenty-five thousand, three hundred fifty-five".

Divisors: 1 5 17 85 131 193 655 661 965 2227 3281 3305 11135 11237 16405 25283 56185 86591 126415 127573 429811 432955 637865 1472047 2149055 2168741 7360235 10843705 16712063 83560315 284105071 1420525355