Search a number
-
+
34155641 = 132627357
BaseRepresentation
bin1000001001001…
…0110001111001
32101021021201202
42002102301321
532220440031
63220023545
7563214062
oct202226171
971237652
1034155641
1118309703
12b531bb5
1370cb650
144771569
152eea2cb
hex2092c79

34155641 has 4 divisors (see below), whose sum is σ = 36783012. Its totient is φ = 31528272.

The previous prime is 34155617. The next prime is 34155643. The reversal of 34155641 is 14655143.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 31595641 = 1600^2 + 5621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34155641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34155643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313666 + ... + 1313691.

It is an arithmetic number, because the mean of its divisors is an integer number (9195753).

Almost surely, 234155641 is an apocalyptic number.

It is an amenable number.

34155641 is a deficient number, since it is larger than the sum of its proper divisors (2627371).

34155641 is a wasteful number, since it uses less digits than its factorization.

34155641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627370.

The product of its digits is 7200, while the sum is 29.

The square root of 34155641 is about 5844.2827618109. The cubic root of 34155641 is about 324.4547575701.

The spelling of 34155641 in words is "thirty-four million, one hundred fifty-five thousand, six hundred forty-one".

Divisors: 1 13 2627357 34155641