Search a number
-
+
351401441 = 1720670673
BaseRepresentation
bin10100111100011…
…111010111100001
3220111020001011012
4110330133113201
51204424321231
654511430305
711464601666
oct2474372741
9814201135
10351401441
111703a2116
1299825395
1357a57061
1434953a6d
1520cb3e2b
hex14f1f5e1

351401441 has 4 divisors (see below), whose sum is σ = 372072132. Its totient is φ = 330730752.

The previous prime is 351401417. The next prime is 351401483. The reversal of 351401441 is 144104153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144104153 = 656921937.

It can be written as a sum of positive squares in 2 ways, for example, as 296700625 + 54700816 = 17225^2 + 7396^2 .

It is a cyclic number.

It is not a de Polignac number, because 351401441 - 214 = 351385057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351401641) 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, 10335320 + ... + 10335353.

It is an arithmetic number, because the mean of its divisors is an integer number (93018033).

Almost surely, 2351401441 is an apocalyptic number.

It is an amenable number.

351401441 is a deficient number, since it is larger than the sum of its proper divisors (20670691).

351401441 is a wasteful number, since it uses less digits than its factorization.

351401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20670690.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 351401441 is about 18745.7046013213. The cubic root of 351401441 is about 705.6692275471.

Adding to 351401441 its reverse (144104153), we get a palindrome (495505594).

The spelling of 351401441 in words is "three hundred fifty-one million, four hundred one thousand, four hundred forty-one".

Divisors: 1 17 20670673 351401441