Search a number
-
+
1555341141 = 3518447047
BaseRepresentation
bin101110010110100…
…1001111101010101
311000101122111221110
41130231021331111
511141131404031
6414200205233
753354116164
oct13455117525
94011574843
101555341141
11728a49902
12374a69819
131ba2ca803
1410a7cb3db
159182bc46
hex5cb49f55

1555341141 has 4 divisors (see below), whose sum is σ = 2073788192. Its totient is φ = 1036894092.

The previous prime is 1555341131. The next prime is 1555341143. The reversal of 1555341141 is 1411435551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1555341141 - 27 = 1555341013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1555341099 and 1555341108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555341143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259223521 + ... + 259223526.

It is an arithmetic number, because the mean of its divisors is an integer number (518447048).

Almost surely, 21555341141 is an apocalyptic number.

It is an amenable number.

1555341141 is a deficient number, since it is larger than the sum of its proper divisors (518447051).

1555341141 is an equidigital number, since it uses as much as digits as its factorization.

1555341141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518447050.

The product of its digits is 6000, while the sum is 30.

The square root of 1555341141 is about 39437.8135930480. The cubic root of 1555341141 is about 1158.6223093701.

Adding to 1555341141 its reverse (1411435551), we get a palindrome (2966776692).

The spelling of 1555341141 in words is "one billion, five hundred fifty-five million, three hundred forty-one thousand, one hundred forty-one".

Divisors: 1 3 518447047 1555341141