Search a number
-
+
1904729341 is a prime number
BaseRepresentation
bin111000110000111…
…1101110011111101
311220202002021110011
41301201331303331
512400102314331
6513000543221
765125634524
oct16141756375
94822067404
101904729341
11898196389
12451a81b11
132447cb3a8
14140d794bb
15b23443b1
hex7187dcfd

1904729341 has 2 divisors, whose sum is σ = 1904729342. Its totient is φ = 1904729340.

The previous prime is 1904729339. The next prime is 1904729353. The reversal of 1904729341 is 1439274091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1662926841 + 241802500 = 40779^2 + 15550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1904729341 - 21 = 1904729339 is a prime.

Together with 1904729339, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1904729294 and 1904729303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1904729441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952364670 + 952364671.

It is an arithmetic number, because the mean of its divisors is an integer number (952364671).

Almost surely, 21904729341 is an apocalyptic number.

It is an amenable number.

1904729341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1904729341 is an equidigital number, since it uses as much as digits as its factorization.

1904729341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1904729341 is about 43643.2049808444. The cubic root of 1904729341 is about 1239.5891244068.

The spelling of 1904729341 in words is "one billion, nine hundred four million, seven hundred twenty-nine thousand, three hundred forty-one".