Search a number
-
+
1417388749 = 7228926301
BaseRepresentation
bin101010001111011…
…1010001011001101
310122210001210211121
41110132322023031
510400322414444
6352351320541
750060414500
oct12436721315
93583053747
101417388749
11668096167
12336820151
1319785948a
14d635b137
158467c084
hex547ba2cd

1417388749 has 6 divisors (see below), whose sum is σ = 1648799214. Its totient is φ = 1214904600.

The previous prime is 1417388743. The next prime is 1417388773. The reversal of 1417388749 is 9478837141.

It can be written as a sum of positive squares in only one way, i.e., 1413008100 + 4380649 = 37590^2 + 2093^2 .

It is not a de Polignac number, because 1417388749 - 211 = 1417386701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1417388696 and 1417388705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1417388743) 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 5 ways as a sum of consecutive naturals, for example, 14463102 + ... + 14463199.

It is an arithmetic number, because the mean of its divisors is an integer number (274799869).

Almost surely, 21417388749 is an apocalyptic number.

It is an amenable number.

1417388749 is a deficient number, since it is larger than the sum of its proper divisors (231410465).

1417388749 is an equidigital number, since it uses as much as digits as its factorization.

1417388749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28926315 (or 28926308 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 1417388749 is about 37648.2237163986. The cubic root of 1417388749 is about 1123.3014694994.

The spelling of 1417388749 in words is "one billion, four hundred seventeen million, three hundred eighty-eight thousand, seven hundred forty-nine".

Divisors: 1 7 49 28926301 202484107 1417388749