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341731 = 1397271
BaseRepresentation
bin1010011011011100011
3122100202201
41103123203
541413411
611154031
72622205
oct1233343
9570681
10341731
11213825
12145917
13bc710
148c775
156b3c1
hex536e3

341731 has 8 divisors (see below), whose sum is σ = 373184. Its totient is φ = 311040.

The previous prime is 341729. The next prime is 341743. The reversal of 341731 is 137143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(341731) divides (341731-1)8.

It is a cyclic number.

It is not a de Polignac number, because 341731 - 21 = 341729 is a prime.

It is a super-2 number, since 2×3417312 = 233560152722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 341699 and 341708.

It is not an unprimeable number, because it can be changed into a prime (341701) 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 7 ways as a sum of consecutive naturals, for example, 1126 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (46648).

2341731 is an apocalyptic number.

341731 is a deficient number, since it is larger than the sum of its proper divisors (31453).

341731 is a wasteful number, since it uses less digits than its factorization.

341731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 252, while the sum is 19.

The square root of 341731 is about 584.5776252988. The cubic root of 341731 is about 69.9135667890.

Adding to 341731 its reverse (137143), we get a palindrome (478874).

The spelling of 341731 in words is "three hundred forty-one thousand, seven hundred thirty-one".

Divisors: 1 13 97 271 1261 3523 26287 341731