Search a number
-
+
346913641 = 1606921589
BaseRepresentation
bin10100101011010…
…111101101101001
3220011210001001101
4110223113231221
51202302214031
654231321401
711411501014
oct2453275551
9804701041
10346913641
11168907398
1298220261
1356b45459
143410637b
15206c9361
hex14ad7b69

346913641 has 4 divisors (see below), whose sum is σ = 346951300. Its totient is φ = 346875984.

The previous prime is 346913603. The next prime is 346913681. The reversal of 346913641 is 146319643.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 125350416 + 221563225 = 11196^2 + 14885^2 .

It is a cyclic number.

It is not a de Polignac number, because 346913641 - 27 = 346913513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346913641.

It is not an unprimeable number, because it can be changed into a prime (346913681) 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, 5275 + ... + 26863.

It is an arithmetic number, because the mean of its divisors is an integer number (86737825).

Almost surely, 2346913641 is an apocalyptic number.

It is an amenable number.

346913641 is a deficient number, since it is larger than the sum of its proper divisors (37659).

346913641 is a wasteful number, since it uses less digits than its factorization.

346913641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37658.

The product of its digits is 46656, while the sum is 37.

The square root of 346913641 is about 18625.6178689460. The cubic root of 346913641 is about 702.6522787206.

The spelling of 346913641 in words is "three hundred forty-six million, nine hundred thirteen thousand, six hundred forty-one".

Divisors: 1 16069 21589 346913641