Search a number
-
+
343020141 = 3261624809
BaseRepresentation
bin10100011100100…
…001001001101101
3212220110020011200
4110130201021231
51200303121031
654012040113
711333423502
oct2434411155
9786406150
10343020141
11166698122
1296a63039
13560b11c9
14337b14a9
15201aa8e6
hex1472126d

343020141 has 12 divisors (see below), whose sum is σ = 503596860. Its totient is φ = 224930880.

The previous prime is 343020131. The next prime is 343020157. The reversal of 343020141 is 141020343.

It can be written as a sum of positive squares in 2 ways, for example, as 38378025 + 304642116 = 6195^2 + 17454^2 .

It is not a de Polignac number, because 343020141 - 25 = 343020109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311856 + ... + 312953.

It is an arithmetic number, because the mean of its divisors is an integer number (41966405).

Almost surely, 2343020141 is an apocalyptic number.

It is an amenable number.

343020141 is a deficient number, since it is larger than the sum of its proper divisors (160576719).

343020141 is a wasteful number, since it uses less digits than its factorization.

343020141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624876 (or 624873 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 343020141 is about 18520.8029253594. The cubic root of 343020141 is about 700.0137010924.

Adding to 343020141 its reverse (141020343), we get a palindrome (484040484).

The spelling of 343020141 in words is "three hundred forty-three million, twenty thousand, one hundred forty-one".

Divisors: 1 3 9 61 183 549 624809 1874427 5623281 38113349 114340047 343020141