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247341 = 3292843
BaseRepresentation
bin111100011000101101
3110120021210
4330120231
530403331
65145033
72050053
oct743055
9416253
10247341
11159916
12bb179
1388773
14661d3
154d446
hex3c62d

247341 has 8 divisors (see below), whose sum is σ = 341280. Its totient is φ = 159152.

The previous prime is 247339. The next prime is 247343. The reversal of 247341 is 143742.

It is an interprime number because it is at equal distance from previous prime (247339) and next prime (247343).

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

It is not a de Polignac number, because 247341 - 21 = 247339 is a prime.

It is a super-2 number, since 2×2473412 = 122355140562, which contains 22 as substring.

It is a d-powerful number, because it can be written as 29 + 46 + 311 + 72 + 48 + 1 .

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2247341 is an apocalyptic number.

It is an amenable number.

247341 is a deficient number, since it is larger than the sum of its proper divisors (93939).

247341 is a wasteful number, since it uses less digits than its factorization.

247341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

The product of its digits is 672, while the sum is 21.

The square root of 247341 is about 497.3338918674. Note that the first 3 decimals coincide. The cubic root of 247341 is about 62.7719139559.

The spelling of 247341 in words is "two hundred forty-seven thousand, three hundred forty-one", and thus it is an iban number.

Divisors: 1 3 29 87 2843 8529 82447 247341