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241381 = 734483
BaseRepresentation
bin111010111011100101
3110021010001
4322323211
530211011
65101301
72023510
oct727345
9407101
10241381
11155398
12b7831
1385b3a
1463d77
154b7c1
hex3aee5

241381 has 4 divisors (see below), whose sum is σ = 275872. Its totient is φ = 206892.

The previous prime is 241363. The next prime is 241391. The reversal of 241381 is 183142.

241381 = T141 + T142 + ... + T161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183142 = 291571.

It is not a de Polignac number, because 241381 - 27 = 241253 is a prime.

It is a super-2 number, since 2×2413812 = 116529574322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17235 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (68968).

2241381 is an apocalyptic number.

It is an amenable number.

241381 is a deficient number, since it is larger than the sum of its proper divisors (34491).

241381 is an equidigital number, since it uses as much as digits as its factorization.

241381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34490.

The product of its digits is 192, while the sum is 19.

The square root of 241381 is about 491.3054040004. The cubic root of 241381 is about 62.2636191123.

The spelling of 241381 in words is "two hundred forty-one thousand, three hundred eighty-one".

Divisors: 1 7 34483 241381