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312141 = 3104047
BaseRepresentation
bin1001100001101001101
3120212011210
41030031031
534442031
610405033
72440014
oct1141515
9525153
10312141
111a3575
12130779
13ac0cb
1481a7b
1562746
hex4c34d

312141 has 4 divisors (see below), whose sum is σ = 416192. Its totient is φ = 208092.

The previous prime is 312121. The next prime is 312161. The reversal of 312141 is 141213.

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.

It is an interprime number because it is at equal distance from previous prime (312121) and next prime (312161).

It is a de Polignac number, because none of the positive numbers 2k-312141 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312141.

It is not an unprimeable number, because it can be changed into a prime (312101) 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, 52021 + ... + 52026.

It is an arithmetic number, because the mean of its divisors is an integer number (104048).

2312141 is an apocalyptic number.

It is an amenable number.

312141 is a deficient number, since it is larger than the sum of its proper divisors (104051).

312141 is a wasteful number, since it uses less digits than its factorization.

312141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104050.

The product of its digits is 24, while the sum is 12.

The square root of 312141 is about 558.6958027406. The cubic root of 312141 is about 67.8344444330.

Adding to 312141 its reverse (141213), we get a palindrome (453354).

The spelling of 312141 in words is "three hundred twelve thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 3 104047 312141