Search a number
-
+
1420045303 = 31792931979
BaseRepresentation
bin101010010100100…
…0010101111110111
310122222001202221111
41110221002233313
510402012422203
6352524255451
750122120525
oct12451025767
93588052844
101420045303
11669640066
123376a1587
131982796c1
14d684d315
1584a0426d
hex54a42bf7

1420045303 has 16 divisors (see below), whose sum is σ = 1490227200. Its totient is φ = 1351527840.

The previous prime is 1420045283. The next prime is 1420045307. The reversal of 1420045303 is 3035400241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420045303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420045307) 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 15 ways as a sum of consecutive naturals, for example, 716568 + ... + 718546.

It is an arithmetic number, because the mean of its divisors is an integer number (93139200).

Almost surely, 21420045303 is an apocalyptic number.

1420045303 is a deficient number, since it is larger than the sum of its proper divisors (70181897).

1420045303 is a wasteful number, since it uses less digits than its factorization.

1420045303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1420045303 is about 37683.4884664358. The cubic root of 1420045303 is about 1124.0028175759.

Adding to 1420045303 its reverse (3035400241), we get a palindrome (4455445544).

The spelling of 1420045303 in words is "one billion, four hundred twenty million, forty-five thousand, three hundred three".

Divisors: 1 31 79 293 1979 2449 9083 23147 61349 156341 579847 717557 4846571 17975257 45807913 1420045303