Search a number
-
+
133034641 = 831602827
BaseRepresentation
bin1111110110111…
…11001010010001
3100021022212012221
413323133022101
5233024102031
621111221041
73203530045
oct773371221
9307285187
10133034641
1169104993
1238677781
132173bb2c
1413950025
15ba2ca11
hex7edf291

133034641 has 4 divisors (see below), whose sum is σ = 134637552. Its totient is φ = 131431732.

The previous prime is 133034591. The next prime is 133034677. The reversal of 133034641 is 146430331.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146430331 = 237761603.

It is a cyclic number.

It is not a de Polignac number, because 133034641 - 211 = 133032593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133034141) 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 3 ways as a sum of consecutive naturals, for example, 801331 + ... + 801496.

It is an arithmetic number, because the mean of its divisors is an integer number (33659388).

Almost surely, 2133034641 is an apocalyptic number.

It is an amenable number.

133034641 is a deficient number, since it is larger than the sum of its proper divisors (1602911).

133034641 is an equidigital number, since it uses as much as digits as its factorization.

133034641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602910.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 133034641 is about 11534.0643747120. The cubic root of 133034641 is about 510.4911851203.

Adding to 133034641 its reverse (146430331), we get a palindrome (279464972).

The spelling of 133034641 in words is "one hundred thirty-three million, thirty-four thousand, six hundred forty-one".

Divisors: 1 83 1602827 133034641