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312041 = 2313567
BaseRepresentation
bin1001100001011101001
3120212001002
41030023221
534441131
610404345
72436512
oct1141351
9525032
10312041
111a3494
121306b5
13ac052
1481a09
15626cb
hex4c2e9

312041 has 4 divisors (see below), whose sum is σ = 325632. Its totient is φ = 298452.

The previous prime is 312031. The next prime is 312043. The reversal of 312041 is 140213.

It is a happy number.

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: 140213 = 314523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312041 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312043) 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, 6761 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (81408).

2312041 is an apocalyptic number.

It is an amenable number.

312041 is a deficient number, since it is larger than the sum of its proper divisors (13591).

312041 is a wasteful number, since it uses less digits than its factorization.

312041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13590.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 312041 is about 558.6063014324. The cubic root of 312041 is about 67.8271996633.

Adding to 312041 its reverse (140213), we get a palindrome (452254).

The spelling of 312041 in words is "three hundred twelve thousand, forty-one", and thus it is an iban number.

Divisors: 1 23 13567 312041